up to the 12th generation
0─┬
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
Total: 5 descendants (9 individuals with spouses)