Escutcheon is in Charges.

Escutcheon. Little shield. Sometimes used as a Difference when it is known as an inescutcheon.

Hay Arms. Argent three inescutcheons gules. Source.

Spencer Churchill Arms. Quartered 1&4 Churchill Arms a canton of St George, 2&3 Despencer Arms a bend sable three escallops, overall an escutcheon St George overall an escutcheon Capet Arms.

King George I of Great Britain and Ireland 1660 1727 Arms. Quartered 1 Plantagenet Arms impaled Dunkeld Arms 2. Capet Arms 3. Ireland Arms 4. 1&2 Brunswick Luneburg Arms, 3 Hanover Arms, an inescutcheon over all three, gules the Crown of Charlemagne Proper (As Archtreasurer of the Holy Roman Empire).

Brownlow Arms. Or an escutcheon within an orle of martlets sable. Source

Maxwell Arms. Argent, a two headed eagle displayed sable beaked and membered gules on an inescutcheon argent a saltire sable charged with a hedgehog or. Source.

Mortimer Arms. Barry or and azure, on a chief of the first two pallets between two base esquires of the second over all an inescutcheon argent. Source.

Esme Stewart 1st Duke Lennox 1542 1583 Arms. Quartered 1&4 John Stewart of Darnley 1st Count Évreux 1380 1429 Arms, 2&3 Stewart Arms a Bordure Engrailed gules for difference, overall an inescutcheon of Lennox Arms the heiress of whom was Elizabeth Lennox Countess Évreux wife of John Stewart of Darnley 1st Count Évreux. Source.

Duke Atholl Arms. Earl Atholl Arms overall, an inescutcheon en surtout azure three mullets argent within a double tressure flory or ensigned of a Marquess's coronet. Source.