be (someone's) (own) flesh and blood

to be someone's relative.

How can you be so cruel to him when he's your own flesh and blood?

• put in someone's place
• put in their place
• put in the picture
• put in the shade
• put into service
• put in your place
• put it on the line
• put lead in pencil
• put lead in your pencil
• put life in hands
• put life in someone's hands
• put life on the line
• put mind at ease
• put mind at rest
• put mind to it
• put money on someone
• put money on something
• put money where mouth is
• put money where your mouth is
• put neck on the block
• put neck on the line
• put nose out of joint
• put oar in
• put off stride
• put off their stride