by John Marshall, Royal Naval Biography — Anson, George (1823)
“ Sir John Byron, and Sir Gervis Clifton, were intimate friends, and neighbours, being both Nottinghamshire gentlemen. And though Byron fought under Henry, and Clifton under Richard, it no way diminished their friendship, but proved, what rarely happens, that friendship genuine. They had exchanged a prior oath, ‘that if either of them was vanquished, the other should intercede with the conqueror, that the estate of the loser might not be forfeited, but enjoyed by his family’. While Clifton was bravely fighting in the troop, he received a blow which overpowered him, and he fell. ”
