Sir George Carlyon Hughes Armstrong, first Baronet, [...] He bears for Arms : Gules, three dexter arms vambraced argent, hands closed proper ; on a canton of the second three pallets azure; […] Charles Randal Armstrong-MacDonell, Esquire, [...] 2 and 3 gules, three dexter arms vambraced and embowed proper, the hands clenched also proper, […]
Source: wiktionary