" Makes a diff'rence, havin' a decent family,' he said. 'Me dad was decent. An' your mum an' dad were decent. If they'd lived, life woulda bin diff'rent, eh?'

'Yeah, I s'pose,' said Harry cautiously. Hagrid seemed to be in a very strange mood.

'Family,' said Hagrid gloomily. 'Whatever yeh say, blood's important... "

― J.K. Rowling , Harry Potter and the Order of the Phoenix (Harry Potter, #5)