Keith as a knight! What an absolutely lovely idea.
It would be rank first, then title. cf Captain Sir Thomas Moore, who raised over 30 million GBP for charity in 2020 at the height of the pandemic. https://en.wikipedia.org/wiki/Captain_Tom_Moore I believe he was also made an honorary Colonel of a new Army training centre but still used his WW2 rank instead, on the grounds that he'd earned that. LOL.
(The Queen knighted him in a special ceremony at Windsor with her father's sword, which was a very nice touch.)
Once you get above knights, I honestly have no clue. Probably reading Georgette Heyer's "An Infamous Army" would give you some ideas. His Staff was full of titled young things.
no subject
It would be rank first, then title. cf Captain Sir Thomas Moore, who raised over 30 million GBP for charity in 2020 at the height of the pandemic. https://en.wikipedia.org/wiki/Captain_Tom_Moore I believe he was also made an honorary Colonel of a new Army training centre but still used his WW2 rank instead, on the grounds that he'd earned that. LOL.
(The Queen knighted him in a special ceremony at Windsor with her father's sword, which was a very nice touch.)
Once you get above knights, I honestly have no clue. Probably reading Georgette Heyer's "An Infamous Army" would give you some ideas. His Staff was full of titled young things.