Saengtham

Pete Phongsakorn Saengtham - alive, “has an injunction and restraining order against two different exes in Bangkok”, Joined the Theeranpayakul Family as the lowest level of bodyguard

Pete’s Father (Human) - dead, killed by Pete, abusive parent

Pete’s Mother (Human) - unknown, ran off abandoning Pete

Pete’s Grandmother [Paternal] (Human) - alive, basically disowned Pete after he killed his father (her son) 

Neighbor Lady pretends to be Pete’s Grandmother [ch1] (Human) - alive, helped Pete pretend to take her to the doctor one time