The heir presumptive is the present holder's brother the Hon. Timothy David Robert Monckton (b. 1955).
The heir presumptive's heir apparent is his son Dominic Walter Monckton (b. 1985).
Coat of arms of Viscount Monckton of Brenchley
Crest
A martlet Or.
Escutcheon
1st & 4th Sable on a chevron between three martlets Or three mullets Sable (Monckton) 2nd & 3rd Or a chevron Gules a chief Vair (St Quintin).
Supporters
On either side a horse Argent crined and unguled Or gorged with a chain Gold pendant therefrom an escutcheon Sable charged with a roses also Argent barbed and seeded Proper quartering St Quintin (Gules a chevron Or a chief Vair).