Scope of Disposition to a Class; When Afterborn Child Takes

A testamentary disposition to a class includes every person answering to the description at the testator's death; but when the possession is postponed to a future period, it includes also all persons coming within the description before the time to which possession is postponed, unless in either case the contrary manifestly appears by the will to have been the intention of the testator. A child conceived before but born after a testator's death, or any other period when a disposition to a class vests in right or in possession, takes, if answering to the description of the class.