XY Family Tree
easy family history

Multiple Parents of One Person

Giuliano Pool is an unusual person because he has 3 fathers. How that happened is a matter for science or speculation but XY Family Tree manages this unusual occurrence by having a group of fathers all associated with the single entity of a pool - the pool is the father.
A pool of fathers:
XY Family Tree shows a pool of fathers for one child
Here is Giuliano:
XY Family tree shows a child with multiple fathers
This could apply equally to mothers.