My mother was Harry's older sister Elizabeth (Betty). There were 9 siblings. 3 boys and 6 girls I have started working on the family tree. I believe your siblings are in Florida and their last name is Dalton not Wolf.
There were 4 daughters in the Black family Viola, Willamina, Dorothy and Lillian but the youngest and their mother died in childbirth that is why Grandpa Black put them in an orphanage. I hope this helps you and I am sorry I did not see yourr message before now, 11 years later. You may email me any questions. I have a brother the same age as you, I am 50.