After I brought up Dedalus Diggle in the last post I thought to google him and find out if anyone else was interested in a Diggle. Surprise - yes, there is lots more. Lots I missed and I thought I was trained to spot the name of Diggle.
He was in all but one of the books, was an original member of the Order of the Phoenix, and is standing next to Dumbledore himself in a photograph Moody shows Harry. Not bad, not a bad relation at all.
Lots about Dedalus Diggle. And a great companion site for all the folks in all the books. Fun.
and More at Fun Trivia - look up Dedalus Diggle. This is quite a prep site for trivia games.
and Still More.
If you are not done by now - check out J.K. Rowling's website.