sentences:  She befriended Lily Yeats of Dun Emer Press.On Saint Patrick's Day 1917, 17 March, Trench agreed to marry Diarmid Coffey — despite earlier writing that, torn between Coffey and the glamorous Claud Chavasse, her love for Claud was "the real thing".Her brother Reggie, Acting Major with the 2/5th 59th, was killed on the Western Front three days after Coffey's proposal, in a German offensive that all but wiped out his regiment, the 59th, known as the Sherwood Foresters or Notts and Derby.