I stumbled on your post of 10 years ago while investigating my wife Jane's family tree.
Jane had an Aunt Yvonne Land nee Nobes (although registered Carpenter (1926-1988)) whose mother was Dorothy E Carpenter and Dorothy married widower George William Nobes in 1951.George had previously married Jane H. Williams in Dyfed in 1915 and Jane died 1951.They do not seem to have had any children.
George William Nobes was elder brother to Henry Benjamin Nobes, senior, who married Clara Weedon.They are the parents of Henry Benjamin Nobes to whom you refer.
They had another brother Edward Joseph Nobes and a sister Elizabeth Rosaline Nobes, and both married and had children.
We have a few more details and such as they are can be seen in our tree on Genes Reunited if you belong, or contact me by replying to this post.