Marital Coat of arms of the William III of Great Britain (on the left, with escutcheon of the House of Orange) impaled with those of his wife Mary.  Both contain the arms of England  quartered with France, this used as a quartering with Scotland  and Ireland
SVG elements from

Blason_Marie_II_Stuart_Reine_d'Angleterre_et_d'Irlande.svg
UK_Arms_1837.svg
A1 Aardvark (talk)