No hea mai kou ʻohana should also be correct.
Mai is a hune kuhi (directional), which is also appropriate when used next to hea.
Could you tell me more about mai with hea. I know a little about mai but unsure how to connect it in this sentence. Mahalo
ʻOi aku ka lohe ʻana o " no hea mai" ma mua o " no hea," akā paha no ka hoʻomaʻalahi ʻia ʻana no nā haumāna? E kala mai, horrorʻs koʻu ʻolelo ʻana