Esmonde and Larbey are two British authors. They were were a British television comedy script writing duo from the 1960s to the 1990s, creating popular situation comedies such as Please Sir! and The Good Life.
Mr Esmonde died in 2008 and Mr Larbey died recently on March 31. Such a combination of characters may make sense in an article, for Wikidata they have to be two distinct items. How else can you identify Mr Larbey as one of the recently dearly departed ?
Given that Wikipedia has them as one single article, Wikidata identifies Mr Esmonde and Mr Larbey as part of this duo.