Gosh the horror stories!
I was the executor of my Mum's will (Dad left all to Mum, Mum all to Dad, Dad died first) - middle daughter but regarded by Mum and Dad as the one that was "good" with money. Easy split 3 ways between us 3 daughters with a small cash sum to my elder sister's eldest child, a granddaughter my parents adored. Easy eh?
On the death of my Dad my Mum was fretting about money to pay for her funeral, anxious that her daughters wouldn't be footing the bill. So - at her insistence - we opened a small account with Alliance & Leicester which both she and I were signatories on - it had some £12,000 in it and was called the funeral fund. She told both my sisters about the fund - but didn't discuss any money matters with them, I was "her accountant", dealing with HMRC, pensions etc. She moved to be nearer one of my sisters (when Dad died they were 3 hours away from the nearest daughter - me - every other weekend driving up there on a Saturday, back on the Sunday for 6 months until the house sold), selling the 3 bed house in exchange for a 1 bed flat in a serviced block. But there was no Alliance & Leicester branch anywhere near. She set up her account with the bank in the little town she'd moved to - I went with her - and we agreed that the funeral fund would transfer to the full account as the bank and as agreed with the bank manager, on production of invoices they would pay all funeral costs.
Yeah, turns out Mum didn't tell my sisters that. And of course it wasn't my business to discuss Mum's money matters with them.
One sister knows me better than to think I'd do them out of a couple of thousand pounds, but the other still bears the grudge. The probate was handled by solicitors under my instructions and everything was copied and sent to my sisters. I had no idea there was this doubt until my other sister mentioned it 6 years after Mum's death. It bothers me that, as the one who Mum trusted with her money matters, I've been seen as the bad guy, and I'm sure there's been "gossip" amongst the family.