embrace_english_culture_effect

embrace_english_culture_effect = {
	# Scopes saves for localization
	root = {
		save_scope_as = embracer
	}

	# Prestige Bonus
	add_prestige = medium_prestige_gain

	#Convert your, and your whole family's, culture
	set_culture = culture:english
	if = {
		limit = { any_spouse = { is_playable_character = no } }
		every_spouse = {
			limit = {
				is_playable_character = no
				OR = {
					culture = culture:norman
					culture = culture:french
				}
			}
			set_culture = culture:english
		}
	}
	if = {
		limit = {
			any_close_family_member = {
				is_playable_character = no
				NOT = { is_spouse_of = root }
			}
		}
		every_close_family_member = {
			limit = {
				is_playable_character = no
				NOT = { is_spouse_of = root }
			}
			custom = all_unlanded_family_members
			set_culture = culture:english
		}
	}
	if = {
		limit = {
			any_child = {
				NOT = { is_spouse_of = root }
			}
		}
		every_child = {
			limit = {
				NOT = { is_spouse_of = root }
			}
			custom = all_children_custom
			set_culture = culture:english
		}
	}

	#Convert appropriate vassals, and their family
	if = {
		limit = {
			any_vassal_or_below = {
				is_ai = yes
				OR = {
					culture = culture:norman
					culture = culture:french
				}
				primary_title = {
					OR = {
						de_jure_liege = title:k_england
						de_jure_liege.de_jure_liege = title:k_england
						de_jure_liege.de_jure_liege.de_jure_liege = title:k_england
					}
				}
			}
		}
		every_vassal_or_below = {
			custom = embrace_english_culture_vassals_custom
			limit = {
				is_ai = yes
				OR = {
					culture = culture:norman
					culture = culture:french
				}
				primary_title = {
					OR = {
						de_jure_liege = title:k_england
						de_jure_liege.de_jure_liege = title:k_england
						de_jure_liege.de_jure_liege.de_jure_liege = title:k_england
					}
				}
			}
			set_culture = culture:english
			hidden_effect = {
				if = {
					limit = { any_spouse = { is_playable_character = no } }
					every_spouse = {
						limit = {
							is_playable_character = no
							OR = {
								culture = culture:norman
								culture = culture:french
							}
						}
						set_culture = culture:english
					}
				}
				if = {
					limit = {
						any_close_family_member = {
							is_playable_character = no
							NOT = { is_spouse_of = prev }
						}
					}
					every_close_family_member = {
						limit = {
							is_playable_character = no
							NOT = { is_spouse_of = prev }
						}
						custom = all_unlanded_family_members
						set_culture = culture:english
					}
				}

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