Absolutely ! If the father of each child has the same blood group - there is a likelihood the children will inherit the same blood group (but obviously different genetic fingerprints !)
yes sibblings wih
Goldenflower. He is the half-brother to Brambleclaw and Tawnypelt. Goldenflower had a unknown tom as her mate and gave birth to Swiftpaw. Then, Goldenflower had another mate, Tigerstar. She gave birth to Brambleclaw and Tawnypelt. Brambleclaw, Tawnypelt, and Swiftpaw shared same mother, but had different fathers.
Pat Sajak has a brother, David, but they are not twins.
legally, no.
Brother Theodore's birth name is Gottlieb, Theodore.
Brother Niyi's birth name is Ade Onilude.
usually, they are not
no
Im not sure about other states but in South Carolina no you don't i named my children with a totally different last name than the fathers or mine and his name is on there birth certificates he just has a different last name than them.
Brother Blue's birth name is Hugh Morgan Hill.
Brother Hayes's birth name is Jeff S. Hayes.
Andrew Dowbiggin's birth name is Andrew James Fathers.