Re Birchall, Re Valentine, Kennedy v Birchall A testatrix left property on trust for her children living at her death, and, if any such child “shall die in my lifetime leaving a child or children living at my death who being male shall attain the age of 21 years or being female attain that age or marry,â€ the parent’s share was to be taken by the grandchildren as though such child had survived the testatrix