someone's (own) flesh and blood

US /ˈsʌm.wʌnz oʊn flɛʃ ænd blʌd/
UK /ˈsʌm.wʌnz oʊn flɛʃ ænd blʌd/
"someone's (own) flesh and blood" picture
1.

sa propre chair et son propre sang, ses proches

a person's close relatives, especially their children

:
How could you treat your own flesh and blood like that?
Comment peux-tu traiter ta propre chair et ton propre sang comme ça ?
She would do anything for her flesh and blood.
Elle ferait n’importe quoi pour sa chair et son sang.