Arms of Duck family of Heavitree and Mount Radford, Exeter, Devon: "Or, on a fess wavy sable three lozenges of the field" (Vivian, Lt.Col. J.L., (Ed.) The Visitation of the County of Devon: Comprising the Heralds' Visitations of 1531, 1564 & 1620, Exeter, 1895, p.309) alternative blazon: "Or, on a fess undee sable three fusils or" (Pole, Sir William (d.1635), Collections Towards a Description of the County of Devon, Sir John-William de la Pole (ed.), London, 1791, p.480)