up to the 12th generation
0━┳
Berhard Blumenthal † & Sophia Frank †
┗━1━┳
Ivan F. Blumenthal †1972 &ca 1943 Laura Elizabeth Scutts 1913-2010
┗━1━┳
David Blumenthal & Sandra ------
┣━1──
Lisa Blumenthal & Allan Soros
┣━2━━
Jeffery Blumenthal & Amy ------
┗━3──
Amy Blumenthal & Timothy Boyd
Total: 5 descendants (12 individuals with spouses)