Dad died almost two years ago. He didn't have a will. Mum hasn't applied for probate and has no intention of doing so. She says there's no need as everything has been transferred to her without it so she doesn't need it. I think if she doesn't, we (the children) are going to be in an awful mess when she dies as we'll have to apply for probate on Dad's estate first, then hers, plus she doesn't have a will either. What can I say to convince her she has to do this?