隠かくし子ご

noun

illegitimate child; secret love child

Refers to a child born out of wedlock or kept hidden from public knowledge, often with a nuance of secrecy or scandal.

• 彼かれには隠かくし子ごがいるという噂うわさがある。

  There is a rumor that he has a secret love child.

• その政せい治じ家かの隠かくし子ごの存そん在ざいが明あきらかになった。

  The existence of the politician's illegitimate child came to light.