One of the two persons from whom one is immediately biologically descended; a mother or father.
A surrogate mother
A third person who has provided DNA samples in an IVF procedure in order to alter faulty genetic material
A person who acts as a parent in rearing a child; a step-parent or adoptive parent.
A relative.
The source or origin of something.
An organism from which a plant or animal is immediately biologically descended.
Sponsor, supporter, owner, protector.
The object from which a child or derived object is descended; a node superior to another node.