Ronnie and Ed Zwirn of Huntingdon Valley announce the arrival of their first grandchild, Gavin Liev Zwirn, on June 23.
Gavin is the son of Adam and Meridith Zwirn of Oyster Bay, Long Island.
Sharing in the family's happiness are Aunt Marlie Zwirn and Uncle Benjamin Garber of Philadelphia.
Gavin is the first great-grandson of Kala Hess of Pembroke Pines, Fla.; and David Zwirn of Delray Beach, Fla.
Gavin Liev is named in loving memory of his paternal great-grandmother Genia Zwirn; his paternal great-grandfather Gunther Hess; and his maternal great-grandfather Leo Brenowitz.