Sources

(this was a doozy to track down)

Census

1911 England

Name: Helen Matheson
Age in 1911: 42
Relation to Head: Wife
Gender: Female
Birth Place: London, United Kingdom
Civil Parish: Hampstead
Street address: 62 Belsize Park Gardens, Hampstead, London N W
Marital status: Married
Estimated Marriage Year: 1909
Registration district: Hampstead
Registration District Number: 8
Sub-registration district: Hampstead
ED, institution, or vessel: 22
Piece: 612
Household Members:
Name Age
Frederick James Matheson 43; Publisher's reader and manager
Helen Matheson 42
Ivan Chrouschoff 20, son, stepson of FJM, born Russia
Dmitri Borovikovsky 7, son of first cousin
Minnie Potter 23
Agatha Kolesnikoff 25
Norman Wilkinson 31
Emma Johnson Wilkinson 57
Dora Wilkinson 28
Dora Lole 86

Marriage

FreeBMD

Marriages Dec 1908
MATHESON Frederick James St. Giles 1b 995
VERSTOVKA Helena St. Giles 1b 995

Newspapers

The Times/1936/Obituary/Mr. F. J. Matheson

The Times, Wednesday, Nov 26, 1941; pg. 1; Issue 49093 — Deaths

de CHROUSCHOFF.—On Nov. 7, 1941, in Manchester, Ivan, only child of the late Nicholas and Helen de Chrouschoff, aged 49.

Probate

Calendar of the Grants ...

Name: Frederick James Matheson of 35 Bateman-street
Death Date: 16 Apr 1936
Death Place: Addenbrookes Hospital, Cambridge
Probate Date: 22 May 1936
Probate Registry: London, England

Name: Helen Matheson of 35 Bateman-street
Death Date: 29 July 1936
Death Place: Addenbrookes Hospital, Cambridge
Probate Date: 4 September 1936
Probate Registry: London, England

FreeBMD

Name: Helen Matheson
Death Age: 68
Registration Date: Sep. Q. 1936
Registration district: Cambridge
Volume: 3b
Page: 393

baptism

London Metropolitan Archives; London, England; Reference Number: p90/jnb/011

Name: Florence Mary Helen De Verstovsky
Gender: Female
Record Type: Baptism
Baptism Date: 13 May 1868
Baptism Place: Kentish Town St John the Baptist, Camden, England
Father: Nicolas De Verstovsky
Mother: Emile Bertha De Verstovsky
Register Type: Parish Registers