yeeees that'd be perfect! and then that would start her investigating her family like man to try to figure out what secrets they've been keeping. erianthe left crime and london in 2017 so they definitely could've met before then and struck up a friendship?? maybe with erianthe's little gang at the time being hired to find something for her and maybe erianthe being in contact with her the most? isa could've even been the one erianthe was doing her last job for that she ended up quitting over (one of her people got lost and erianthe spent some time having to run around in forests looking for the idiot and that was Enough)