i just heard a new story...my grandfather butler maybe left his wife to go work in another area, met a woman, had a baby boy, came back to wife with baby boy, raised together. we can get dna from son of grandfather. we do not know where, or even if there was another woman, how can we get her dna/ from the baby/now 90yrs old.? this is like 90 yrs ago.my 90 year old is clear headed, wants to know if i can find his mom...please tell me where do i go/order a good dna/kit to get DNA on both his mother and father line from same male person.thank you very much.

and i do need to tell another guy what/where he can get a kit to find his birth mother? he found father/deceased, no family known. he needs a dna on himself to find his bio mother .thank you.