Main Blackett Tree

Events of close relatives
Birth	March 17, 1915 44 34 St. George Hanover Square district, London
Divorce	Reginald Joseph Jennings — View this family yes
Birth of a brother	Hugh Patrick Trevelyan March 17, 1915 St. George Hanover Square district, London
Death of a brother	Hugh Patrick Trevelyan April 17, 1916 (Age 13 months) Stokesley district, Yorks.
Birth of a brother	Sir Geoffrey Washington Trevelyan July 4, 1920 (Age 5 years) Morpeth district, Nthmd.
Death of a paternal grandmother	Caroline Philips January 26, 1928 (Age 12 years) Welcombe, Stratford-upon-Avon, Wks.
Death of a paternal grandfather	Sir George Otto Trevelyan August 17, 1928 (Age 13 years) Wallington, Nthmd.
Death of a maternal grandmother	Florence Eveleen Eleanor Oliffe D.B.E. May 16, 1930 (Age 15 years) London
Death of a maternal grandfather	Sir Thomas Hugh Bell June 29, 1931 (Age 16 years) London
Marriage	Frederick Philip Cheswright — View this family January 3, 1942 (Age 26 years) Northumberland Central district
Death of a husband	Frederick Philip Cheswright August 28, 1946 (Age 31 years) Addenbrookes Hospital, Cambridge, Cambs.
Burial of a husband	Frederick Philip Cheswright August 30, 1946 (Age 31 years) Cambridgeshire
Marriage	Reginald Joseph Jennings — View this family September 25, 1950 (Age 35 years) Northumberland Central district
Death of a father	Sir Charles Philips Trevelyan January 24, 1958 (Age 42 years) Wallington, Nthmd.
Death of a mother	Mary Kathleen Bell October 8, 1966 (Age 51 years) St. Catherine's Nursing Home, Newcastle-upon-Tyne, Nthmd.
Death of a sister	Pauline Trevelyan January 21, 1988 (Age 72 years) Northumberland
Death of a sister	Katharine Trevelyan 1990 (Age 74 years)
Death of a brother	Sir George Lowthian Trevelyan February 9, 1996 (Age 80 years) Sodbury district, Avon
Death of a husband	Reginald Joseph Jennings 1999 (Age 83 years) Northumberland Central district
Death of a sister	Marjorie Trevelyan 2003 (Age 87 years) Haringey district, London
Death of a brother	Sir Geoffrey Washington Trevelyan January 28, 2011 (Age 95 years) St. Albans, Herts.
Death	May 28, 2013 (Age 98 years) Northumberland

Date differences

Family with parents - View this family

father	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Mary Kathleen Bell Pauline Trevelyan Sir George Lowthian Trevelyan Katharine Trevelyan Marjorie Trevelyan Hugh Patrick Trevelyan Florence Patricia Trevelyan Sir Geoffrey Washington Trevelyan Sir Charles Philips Trevelyan Birth: October 28, 1870 32 21 — London Death: January 24, 1958 — Wallington, Nthmd.
mother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Sir Charles Philips Trevelyan Pauline Trevelyan Sir George Lowthian Trevelyan Katharine Trevelyan Marjorie Trevelyan Hugh Patrick Trevelyan Florence Patricia Trevelyan Sir Geoffrey Washington Trevelyan Mary Kathleen Bell Birth: 1881 36 30 — Kirkleatham, Yorks. Death: October 8, 1966 — St. Catherine's Nursing Home, Newcastle-upon-Tyne, Nthmd.
	Marriage: January 6, 1904 —
21 months elder sister	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse John Gordon Dower Pauline Trevelyan Birth: October 9, 1905 34 24 — Cambo, Nthmd. Death: January 21, 1988 — Northumberland
13 months elder brother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Editha Helen Lindsay-Smith Catriona Trevelyan Sir George Lowthian Trevelyan Birth: November 5, 1906 36 25 — St. George, Hanover Square district, London Death: February 9, 1996 — Sodbury district, Avon
18 months elder sister	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Johann Gottfried Georg Gotsch Katharine Trevelyan Birth: May 7, 1908 37 27 — St. George, Hanover Square district, London Death: 1990
5 years elder sister	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Sir Tobias Rushton Weaver Marjorie Trevelyan Birth: April 5, 1913 42 32 — St. George Hanover Square district, London Death: 2003 — Haringey district, London
23 months twin brother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Hugh Patrick Trevelyan Birth: March 17, 1915 44 34 — St. George Hanover Square district, London Death: April 17, 1916 — Stokesley district, Yorks.
herself	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Frederick Philip Cheswright Family with spouse Reginald Joseph Jennings Florence Patricia Trevelyan Birth: March 17, 1915 44 34 — St. George Hanover Square district, London Death: May 28, 2013 — Northumberland
5 years younger brother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Gillian Isabel Wood Sir Geoffrey Washington Trevelyan Birth: July 4, 1920 49 39 — Morpeth district, Nthmd. Death: January 28, 2011 — St. Albans, Herts.

Family with Frederick Philip Cheswright - View this family

husband	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Florence Patricia Trevelyan Frederick Philip Cheswright Birth: 1917 — Marylebone, London, Middx. Death: August 28, 1946 — Addenbrookes Hospital, Cambridge, Cambs.
herself	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Frederick Philip Cheswright Family with spouse Reginald Joseph Jennings Florence Patricia Trevelyan Birth: March 17, 1915 44 34 — St. George Hanover Square district, London Death: May 28, 2013 — Northumberland
	Marriage: January 3, 1942 — Northumberland Central district

Family with Reginald Joseph Jennings - View this family

ex-husband	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Florence Patricia Trevelyan Reginald Joseph Jennings Birth: July 19, 1912 — Chelmsford district, Essex Death: 1999 — Northumberland Central district
herself	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Frederick Philip Cheswright Family with spouse Reginald Joseph Jennings Florence Patricia Trevelyan Birth: March 17, 1915 44 34 — St. George Hanover Square district, London Death: May 28, 2013 — Northumberland
	Marriage: September 25, 1950 — Northumberland Central district
	Divorce: —

Family with parents
father Parents Sir George Otto Trevelyan Caroline Philips	Sir Charles Philips Trevelyan 1870–1958
mother Parents Sir Thomas Hugh Bell Florence Eveleen Eleanor Oliffe D.B.E.	Mary Kathleen Bell 1881–1966
elder sister Family John Gordon Dower	Pauline Trevelyan 1905–1988
elder brother Family Editha Helen Lindsay-Smith Catriona Trevelyan	Sir George Lowthian Trevelyan 1906–1996
elder sister Family Johann Gottfried Georg Gotsch	Katharine Trevelyan 1908–1990
elder sister Family Sir Tobias Rushton Weaver	Marjorie Trevelyan 1913–2003
twin brother Family (none)	Hugh Patrick Trevelyan 1915–1916
herself Family Frederick Philip Cheswright Reginald Joseph Jennings	Florence Patricia Trevelyan 1915–2013
younger brother Family Gillian Isabel Wood	Sir Geoffrey Washington Trevelyan 1920–2011
Family with Frederick Philip Cheswright
husband Parents (unknown)	Frederick Philip Cheswright 1917–1946
herself Parents Sir Charles Philips Trevelyan Mary Kathleen Bell	Florence Patricia Trevelyan 1915–2013
Family with Reginald Joseph Jennings
ex-husband Parents (unknown)	Reginald Joseph Jennings 1912–1999
herself Parents Sir Charles Philips Trevelyan Mary Kathleen Bell	Florence Patricia Trevelyan 1915–2013