An Australian woman plans to help her brother and his partner have a child. She will donate ova, the partner will contribute his sperm, and the child is to be gestated by a surrogate. This way, both the brother and the partner will have a genetic relationship to the child. Currently, all same-sex couples must reach outside their relationships in order to have children, by donor gametes or adoption.
In this instance, the brother will have a relation to his child as a genetic uncle, while his partner will be the genetic father. Both of them will be social fathers to the child.
Here are the details: