File:Coat of arms Sir William Herbert, 3rd Earl of Pembroke, KG.png

Based on Pembroke's stallplate (N11/10) in St. George's Chapel, viz. Quarterly of twenty:

1. Per pale Azure and Gules three lions rampant Argent (Herbert);
   
2. Gules two bends that in chief Or that in base Argent (Milo);
   
3. Gules five fusils conjoined in fess Or (Newmarch);
   
4. Argent a lion rampant Sable ducally crowned Or (Dafydd Gam);
   
5. Argent two bars Azure a border engrailed Sable (Parr);
   
6. Or three water bougets Sable (Roos);
   
7. Argent a saltire Gules fretty Or (Crophull);
   
8. Or a fret Gules (Verdun/Verdon);
   
9. Or a fess Gules (Verdun);
   
10. per pale Or and Vert a lion rampant Gules overall a bend Argent (Bigod));
    
11. Gules five lozenges in bend Or (Marshal);
    
12. chevronelly of eleven Or and Gules (Strongbow/Marshal);
    
13. Gules three lions passant in pale Argent (Gifford/Giffard);
    
14. Azure three chevronels braced and a chief Or (FitzHugh);
    
15. barry of six Argent and Azure on a bend Gules three martlets Or (Grey);
    
16. Vair a fess Gules (Marmion);
    
17. Or five bars Azure an eagle displayed wings inverted Gules (Jernegan);
    
18. Or three chevrons Gules a chief Vair (St Quintin);
    
19. Azure three stags trippant Or (Green);
    
20. Gules a chevron between three crosses crosslet and in chief a lion passant guardant Or (Mablethorpe).