pina la generatia 12.
0━┳
Owen Douglas Marks 1924 &1946 Vida Gwen Scudds 1925
┣━1──
Marilyn Adelle Marks 1948 &1967 Brian Edson Ivas 1947
┗━2──
Robyn Priscilla Marks 1951 &1973 Martin Patrick O'Loughlin 1952
In total: 2 descendenti (6 persoane cu [spouses])