Main Blackett Tree

Events of close relatives
Birth	April 5, 1913 42 32 St. George Hanover Square district, London
Birth of a brother	Hugh Patrick Trevelyan March 17, 1915 (Age 23 months) St. George Hanover Square district, London
Birth of a sister	Florence Patricia Trevelyan March 17, 1915 (Age 23 months) St. George Hanover Square district, London
Death of a brother	Hugh Patrick Trevelyan April 17, 1916 (Age 3 years) Stokesley district, Yorks.
Birth of a brother	Sir Geoffrey Washington Trevelyan July 4, 1920 (Age 7 years) Morpeth district, Nthmd.
Death of a paternal grandmother	Caroline Philips January 26, 1928 (Age 14 years) Welcombe, Stratford-upon-Avon, Wks.
Death of a paternal grandfather	Sir George Otto Trevelyan August 17, 1928 (Age 15 years) Wallington, Nthmd.
Death of a maternal grandmother	Florence Eveleen Eleanor Oliffe D.B.E. May 16, 1930 (Age 17 years) London
Death of a maternal grandfather	Sir Thomas Hugh Bell June 29, 1931 (Age 18 years) London
Marriage	Sir Tobias Rushton Weaver — View this family September 11, 1941 (Age 28 years) Amersham district, Bucks.
Death of a father	Sir Charles Philips Trevelyan January 24, 1958 (Age 44 years) Wallington, Nthmd.
Death of a mother	Mary Kathleen Bell October 8, 1966 (Age 53 years) St. Catherine's Nursing Home, Newcastle-upon-Tyne, Nthmd.
Death of a sister	Pauline Trevelyan January 21, 1988 (Age 74 years) Northumberland
Death of a sister	Katharine Trevelyan 1990 (Age 76 years)
Death of a brother	Sir George Lowthian Trevelyan February 9, 1996 (Age 82 years) Sodbury district, Avon
Death of a husband	Sir Tobias Rushton Weaver June 10, 2001 (Age 88 years) London
Death	2003 (Age 89 years) Haringey district, London

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 herself	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 younger 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.
younger sister	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 Sir Tobias Rushton Weaver - View this family

husband	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Marjorie Trevelyan Sir Tobias Rushton Weaver Birth: July 19, 1911 34 40 — London Death: June 10, 2001 — London
herself	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
	Marriage: September 11, 1941 — Amersham district, Bucks.

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
herself Family Sir Tobias Rushton Weaver	Marjorie Trevelyan 1913–2003
younger brother Family (none)	Hugh Patrick Trevelyan 1915–1916
younger sister 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 Sir Tobias Rushton Weaver
husband Parents Sir Lawrence Walther William Weaver Kathleen Purcell	Sir Tobias Rushton Weaver 1911–2001
herself Parents Sir Charles Philips Trevelyan Mary Kathleen Bell	Marjorie Trevelyan 1913–2003