até à 12nda geração
0─┬
Lucy Ellen Latham Murfey & Edward Morrison 1862-1922
├─1─┬
Louise Morrison & Howard Corsa
│ └─1━━
Richard T. Corsa †2003 & Margaret x
└─2a┬
Julia Latham Morrison & Montgomery La Roche
┊└─1─┬
Isabelle La Roche 1914-1991 & Adrian Frank Posnette 1914-2004
┊ ├─1─┬
Jane Marion Posnette 1939 & James Monroe Benson 1939
┊ │ ├─1──
Joy Louise Benson 1962 &1987 Scott Alan Linn 1960
┊ │ └─2──
Dawn Isabelle Benson 1964
┊ ├─2a─
Suzanne Lucy Posnette 1942 & John x
┊ │ 2b─
Suzanne Lucy Posnette & Robert T. Roberts
┊ │ 2c─
Suzanne Lucy Posnette & Bolek Peplowski
┊ │ 2d─
Suzanne Lucy Posnette & Jerry Rynders
┊ └─3━┳
John La Roche Posnette 1949 & Ellen Keilman
┊ ┣━1━━
Peter Sjord Posnette 1980
┊ ┣━2──
Fay Posnette
┊ ┗━3──
Frederique Posnette
2b─
Julia Latham Morrison & x Black
Total: 12 descendentes (26 pessoas com cônjuges)