Did you complain anniebach when Jess Phillips amusedly recounted the time she told Diane Abbott to "Fuck off" and when asked what the response was, she said with a chuckle,"She fucked off".
Simon Danczuk was suspended following a number of rather unsavoury incidents involving ex-wives and partners. Then he sent "sexually explicit" texts to a 17 year old woman would had asked him for a job in his constituency office.
Seamus Milne has been married for 25 years so it seems he isn't a serial philanderer. We know full well that he isn't the first man - or woman - to commit adultery. It is just something else to chuck at Corbyn - though goodness knows why. After all, Conservative MPs Boris Johnson, John Major, Edwina Currie, Zac Goldsmith, Steve Double (evangelical Christian and former pastor), Tim Yeo, etc. etc. etc., have had affairs. In that, they are no different from many married people in the rest of the population and Labour and Lib Dem MPs, although those like John Major with his "Back to Basics" campaign are perhaps deservedly accused of being hypocrites. If we were to judge a party on that criteria, then we probably wouldn't support any party.
"Breeding" - like the "breeding" of members of our royal family and the aristocracy? I think you'll find there are not a shining example of faithfulness or decency.