Despite their Irish immigrant background two of his sons joined the British establishment. William Cain became a baronet while Charles Cain, later Charles Nall-Cain, entered the House of Lords in 1933 as the first Baron Brocket, joining several other brewers in what became known somewhat disparagingly as The Beerage. Both sons were noted philanthropists.
In spite of their Irish immigrant heritage, two of his sons joined the British elite. William Cain was elevated to the title of baronet, while Charles Cain, later known as Charles Nall-Cain, entered the House of Lords in 1933 as the first Baron Brocket, joining a group of other brewers that became infamous for being part of "The Beerage." Both sons were renowned philanthropists.