It's his Dad's daughter, not his Mom's.
in reply to a message by PeachyGirl86
His Mom is Patti Mallette. She raised him as a teenaged single mother with the help of her mother and her stepfather and Justin's father maintained communication but was not an active part of his life.
His Dad and his partner had their first child together and that is "Bay Bieber"
Dad (Jeremy Bieber) now has:
Justin
Jazmyn
Jaxon
Bay
Chelsea (Justin's step-mom) has:
Allie
Bay
His Dad and his partner had their first child together and that is "Bay Bieber"
Dad (Jeremy Bieber) now has:
Justin
Jazmyn
Jaxon
Bay
Chelsea (Justin's step-mom) has:
Allie
Bay