grab_spouses_and_family_to_convert_effect

grab_spouses_and_family_to_convert_effect = {
	if = {
		limit = { NOT = { exists = scope:puppet_or_actor } }
		scope:actor = { save_scope_as = puppet_or_actor }
	}
	scope:recipient = {
		# Add yourself
		add_to_list = spouses_and_family_to_convert
		add_character_flag = spouse_or_family_to_convert
		# Spouses convert
		every_spouse = {
			limit = {
				OR = {
					is_courtier_of = scope:puppet_or_actor
					is_courtier_of = scope:recipient
					is_vassal_of = scope:puppet_or_actor
					is_vassal_of = scope:recipient
				}
				NOR = {
					has_character_flag = ai_will_not_convert
					rite = scope:puppet_or_actor.rite
					has_character_flag = spouse_or_family_to_convert 
				}
				trigger_if = {
					limit = {
						exists = scope:conversion_rite
					}
					rite != scope:conversion_rite
				}
			}
			add_to_list = spouses_and_family_to_convert
			add_character_flag = spouse_or_family_to_convert
		}
		# Family in recipient's court also convert
		if = {
			limit = {
				is_ruler = yes
			}
			every_close_or_extended_family_member = {
				custom = all_family_members_at_court
				limit = {
					employer ?= scope:recipient
					faith = scope:recipient.faith
					faith != scope:puppet_or_actor.faith
					is_ai = yes
					NOT = { has_character_flag = ai_will_not_convert }
					NOT = { has_character_flag = spouse_or_family_to_convert }
					# Don't add the recipient twice
					#root != scope:recipient
				}
				add_to_list = spouses_and_family_to_convert
				add_character_flag = spouse_or_family_to_convert
			}
		}
	}
	every_in_list = {
		list = spouses_and_family_to_convert
		remove_character_flag = spouse_or_family_to_convert
	}
}

As written in game/common/scripted_effects/00_religious_interaction_effects.txt.