No, actually Zahard already murdered her child before V killed himself. I looked at the fandom wiki to check
.
Now this actually caused more questions surface again in my mind...
How was Zahard even able to kill the child with two irregulars against him ?
What if V and Arlene were actually that powerful, instead of confronting them both, Zahard thought it was better to fight only one ?
Even without the immortality spell, and all the civil war between FHs, how did V 'survived', was he that powerful ?
Or the other FHs didn't want to 'kill' him ?
Now I think, why Gustang said good of Arlene and V as "worst person". Also, like Eduan said, V likely cared for the tower residents.
Making a wild guess from these two things, but what if Gustang disliked V because he 'deceived' the good Arlene, like maybe leaving her side to protect the tower residents in another region for a long time, and within this time Zahard killed their son, for which Gustang blames V. (Does Gustang and the other FHs really know who killed her child, why is Zahard not the worst person for him, rather V ?)
> PS: This does sound like 'man protecting the woman', but pardon me it's likely not that