... To be fair, it seems like everyone is after Reda's family jewels now that they know their owner can use the fancy extra heal skill.
Why stop at one skill user when you can entice him to generate six, twelve, or up to eighteen depending on how fertile the harem is.
Also, if I remember the earlier chapters properly; I'm pretty sure Mina and possibly Luna are some kind of clones or homunculi based on the saint and this mysterious assassin father figure, not anyone's actual offspring. But of course, to the dark haired healer, he only cares about them getting along with others, while nobody seems to bat an eye at the carbunkle Naomi.
Taking bets that he's not a real guy either, but nobody will care in the end cuz his evil switch failed to flip.