Nihoner

“One's own flesh and blood” in Japanese

Short answer
骨肉 kotsuniku こつにく

One's own flesh and blood in Japanese is “骨肉” (kotsuniku). Full meaning: one's own flesh and blood, blood relative, kinsman; flesh and bone, (one's) body.

Looking for the other direction? Search any Japanese word in the Nihoner lexicon, or practise what you have learned in the learning games.