Responses
I think based on his reaction in the last two ch (between ch 32 to 36) he regreted like the saying when you'll lose someone thats when you realize that person...
It started when she left them and with the eldest disobeying their father so yeah... they regreted the way they treat her...
And I'm secretly want them to somehow recollide even not totally will she forgave them but make them work to gain her favor...

FL’s family will join her in the rebellion