As of 2017[update], the title is held by his grandson, John Stephen Robinson, 2nd Baron Martonmere, who succeeded in 1989.[2] He is the eldest son of the Hon. Richard Anthony Gasque Robertson (1935-1979), only son of the first Baron.
The heir apparent is the present holder's son, the Hon. James Ian Robinson (b. 2003)
Line of Succession
John Roland Robinson, 1st Baron Martonmere (1907—1989)[citation needed]
Hon. Richard Anthony Gasque Robinson (1935—1979)
John Stephen Robinson, 2nd Baron Martonmere (born 1963)
(1)Hon. James Ian Robinson (b. 2003)
(2)Hon. Andrew Roland Robinson (b. 2005)
(3) David Alan Robinson (b. 1965)
Arms
Coat of arms of Baron Martonmere
Crest
A lion's head erased Or in the mouth a crescent Gules.
Escutcheon
Argent a three masted merchant ship of early eighteenth century date the mainsails furled Proper on a chief Azure a portcullis chained between two roses Or.
Supporters
Dexter a lion Or collared flory counterflory Gules sinister a stag Gules attired and unguled collared flory counterflory Or.[3]