sentences:  At first, a judge ruled against the couple, who later appealed; a higher court held that since each man's sperm was used to fertilise eggs from the same donor and one of each was implanted into the surrogate, both men would be able to register the birth of their own child and become its legal parent.The twins cannot be recognised as children of the couple, however, and the fathers could not adopt each other's non-biological son.Although not legally brothers, both boys have been given the same surname.