up to the 12th generation
0─┬
Leah Jacobson 1862- & David Rodker 1872-1945
├─1a┳
John Simon Rodker 1894-1955 & Sonia Cohen 1892-1987
│ ┊┗━1─┬
Joan Michelle Rodker 1915-2010 & Gerhard Hinze 1904-1972
│ ┊ └─1━┳
Ernest Rodker 1937 & Sonie Markham 1939-2016
│ ┊ ┣━1━┳
Oliver Rodker 1969 & Jennifer Nelson
│ ┊ ┃ ┣━1━━
Isaac Lea Rodker 2015
│ ┊ ┃ ┗━2──
Rosa Rodker 2019
│ ┊ ┗━2━━
Joel Rodker 1976
│ 1b┳
John Simon Rodker &1918 Mary Franeis Butts 1890-1937
│ ┊┗━1a┬
Camilla Elizabeth Rodker 1920-2007 & Henry Israel †1962
│ ┊ ┊├─1a┳
Daniel Israel 1947 & Yvonne Duzant
│ ┊ ┊│ ┊┣━1a┳
Aaron Israel 1972 & x x (Swedish?)
│ ┊ ┊│ ┊┃ ┊┗━1──
Nina Israel
│ ┊ ┊│ ┊┃ 1b┳
Aaron Israel & x x (Dutch)
│ ┊ ┊│ ┊┃ ┗━1━━
Djena Israel
│ ┊ ┊│ ┊┗━2─┬
Oona Israel &2006 Peter Tillotson
│ ┊ ┊│ ┊ └─1──
Imogen Tillotson 2007
│ ┊ ┊│ 1b┳
Daniel Israel & Ann Keay
│ ┊ ┊│ ┣━1──
Claire Israel 1983
│ ┊ ┊│ ┗━2──
Frances Israel 1986
│ ┊ ┊└─2━┳
Edmund Israel 1949 & Sheila Teel
│ ┊ ┊ ┗━1━━
Michael Israel 1984
│ ┊ 1b─
Camilla Elizabeth Rodker & Reginald Bagg †2002
│ 1c┳
John Simon Rodker &1936 Barbara Stanger McKenzie-Smith 1902-1996
│ ┊┗━1━┳
John Paul Morrison 1937 &1963 Brenda Marilyn Smith 1941
│ ┊ ┣━1━━
Joseph Derek Morrison 1964 & Kim Elizabeth Klaudi 1962
│ ┊ ┗━2─┬
Sandra Elizabeth Morrison &2001 Craig Farnsworth
│ ┊ └─1━━
Luke Gregory Farnsworth
│ 1d━
John Simon Rodker & Marianne Rais †1984
└─2━━
Peter Rodker 1897- & Helen Scott
Total: 23 descendants (44 individuals with spouses)