James Robert Roland Cusack1 
Child of James Robert Roland Cusack and Eileen Watson
- Ralph Desmond Athanasius Cusack+2 b. 1912, d. 1965
Ralph Desmond Athanasius Cusack1 
He was educated at Charterhouse School, Godalming, Surrey, EnglandG.1 He was educated at Cambridge University, Cambridge, Cambridgeshire, EnglandG.1 He wrote the book Cadenza.3 He lived at Spèracedés, Grasse, FranceG.1
Children of Ralph Desmond Athanasius Cusack and Kira von Heiseler
- Roy Cusack2 b. 1937
- Dr. Igor Cusack2 b. 1944
Children of Ralph Desmond Athanasius Cusack and Nancy Sinclair
- Colin Cusack3 b. 1946
- Susannah Cusack3 b. 1947
- Annabel Cusack3 b. 1953
- [S47] BIFR1976 page 312. See link for full details for this source. Hereinafter cited as. [S47]
- [S47] BIFR1976. [S47]
- [S5839] Igor Cusack, “re: Cusack Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 23 January 2012. Hereinafter cited as “re: Cusack Family.”
Kira von Heiseler1,2
Her married name became Cusack.
Children of Kira von Heiseler and Ralph Desmond Athanasius Cusack
- Roy Cusack3 b. 1937
- Dr. Igor Cusack3 b. 1944
- [S47] BIFR1976 page 312. See link for full details for this source. Hereinafter cited as. [S47]
- [S5839] Igor Cusack, “re: Cusack Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 23 January 2012. Hereinafter cited as “re: Cusack Family.”
- [S47] BIFR1976. [S47]
Dr. Igor Cusack1,2
- [S47] BIFR1976 page 312. See link for full details for this source. Hereinafter cited as. [S47]
- [S5839] Igor Cusack, “re: Cusack Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 23 January 2012. Hereinafter cited as “re: Cusack Family.”
- [S47] BIFR1976. [S47]
Kathleen Brinckman1
Her married name became Cusack.
- [S47] BIFR1976 page 312. See link for full details for this source. Hereinafter cited as. [S47]
Violet Cusack1 
Florence Cusack1 
Kathleen Maria Cusack1 
From 10 September 1901, her married name became Jobson.
Child of Kathleen Maria Cusack and Thomas Baron Jobson
- [S47] BIFR1976 page 312. See link for full details for this source. Hereinafter cited as. [S47]
- [S47] BIFR1976. [S47]
- [S3927] Tom Johnston, “re: Morrisson Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 23 August 2009 and 26 May 2011. Hereinafter cited as “re: Morrisson Family.”
Thomas Baron Jobson1
He was a stockbroker.1 He had one son and one other daughter.
Child of Thomas Baron Jobson and Kathleen Maria Cusack
- [S47] BIFR1976 page 312. See link for full details for this source. Hereinafter cited as. [S47]
- [S3927] Tom Johnston, “re: Morrisson Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 23 August 2009 and 26 May 2011. Hereinafter cited as “re: Morrisson Family.”
Ralph Smith Cusack1 
Children of Ralph Smith Cusack and Anne Hughes
- Ralph Aidan Cusack2 b. 6 Sep 1882
- James William Cusack2 b. 4 Feb 1887
