The Cotton family provided many brave men for a number of the lifeboats on the Island. Rufus was the nickname of William Cotton.
These is a lot of information and many photos on the 3 or 4 stations on this coast and Totland, so see:
back-of-the-wight.shalfleet.com (Mottistone-Compton page)
'Back of the Wight' book by Fred Mew, classic on the local history, available on Amazon.
Put 'Back of the Wight' in Google for more.
You must be proud to have such a brave and famous family, so, good luck in your research.