You will need to look up the scripts for recruitment of the AI lords and edit them accordingly to your wishes.
Not exactly a solution to your question but perhaps you find something useful at the Forge Scrap Yard at the spoiler "Recruitment of Companions, Soldiers and Mercenaries":
You can find there for example a link to this thread here which explains a bit the recruitment:
Not exactly a solution to your question but perhaps you find something useful at the Forge Scrap Yard at the spoiler "Recruitment of Companions, Soldiers and Mercenaries":
You can find there for example a link to this thread here which explains a bit the recruitment: