Responsa על בבא בתרא 277:3

Q. A married off his sons and gave them marriage gifts. Subsequently A died. Are the unmarried sons entitled to receive marriage gifts from A's estate, and is only the remainder of the estate to be equally divided among the sons?
A. A's unmarried sons are not entitled to marriage gifts. The estate is to be divided equally among the sons.
SOURCES: L. 181.

Q. A married off his grown up son, B, giving him money and a book as a wedding gift, and shortly thereafter A died. His heirs refuse to give B an equal share of A's property, claiming that B's wedding-gift was part of his share of the inheritance.
A. B is entitled to share equally in the property left by his father, over and above his wedding-gift.
SOURCES: Pr. 848; Tashbetz, 502.