Looking for Descendants of Pearl Walter Marion Elizabeth Hyem

Come to a dead stop in my search for Descendants of Pearl Walter & Marion Elizabeth HYEM.
My mum is Jean, and I am trying to contact any/or all of her siblings and descendants of:
Dorothy,Amy, Thelma, Walter, Raymond, Grace, Margaret
so that I can complete the Hyem tree I am doing for my grandsons. Want stories and photos of same if possible.