William Vaughan (of Rhydhelig), fl. 1471 (b. 1450) Parents Watkyn Vaughan Children Siblings Denis ap Watkin ap Gwilym ap Dafydd Sir Thomas Vaughan, of Bredwardine Margred (1) ferch Watkin Vaughan Margred (2) ferch Watkin Vaughan William Vaughan, of Rhydhelig