I am looking for an Irvine Trust Attorney that can help with a family trust. Of course, our Irvine Trust Attorney here are Irvine Probate Law would be glad to help. What is a Generation-skipping Trust? According to our Irvine Trust Attorney, This type of irrevocable trust allows very wealthy estates to avoid paying estate tax more than once. The beneficiaries of the trust are typically the grantor’s grandchildren.