Silver Tongue
Steven Universe: No Mom, a Dad, and 3 Space Rocks
Jenny: No Mom, a Dad, a Grandma, and a Sister
Buck: No Mom, a Dad
Sour Cream: No Mom, a Step Dad, and a Step Brother
Connie: A Dad and a Mom
Peedee: No Mom, a Dad, and a Brother
Sadie: Mom Confirmed, Dad of Dubious Status
Lars: Presumably Raised By Crabs