The
heir apparent is the present holder's son Hon. William Evelyn Cecil (b. 1996).
Arms
Coat of arms of Baron Rockley
Crest
Six arrows in saltire Or barbed and flighted Argent girt together with a belt Gules buckled and garnished Gold over the arrows a morion cap Proper.
Escutcheon
Barry of ten Argent and Azure over all six escutcheons Sable three two and one each charged with a lion rampant of the first and for difference a crescent Gules charged with another crescent Or.
Supporters
On either side a lion Ermine gorged with a collar Or pendent therefrom an escutcheon the dexter Sable a lion rampant Argnet and the sinister Gules three tilting spears erect Or headed Argent.