Jock - Terrible, but as you say, not unexpected news. You are a tower of strength and advice for many people on here and elsewhere. Although I have never communicated with the family in any form, but know of them through yourself my sympathies to her husband and mum.
Robert - Trying to compose words of wisdom and comfort in this type of situation is virtually impossible especially conveying the true meaning as well. I'm sure that the words you have chosen will mean a great deal