The father of the fiancee who died has (probably) left Matthew his fortune. Mary wants to use it to rescue Downton, but Matthew says it would be wrong as Lavinia's father didn't know that she died of a broken heart because he loved another.
To be continued...
How do I help my sister to stop feeling like a victim?



If so, it was an unconsummated one - Lavinia died of Spanish flu, after making Matthew promise to be happy with Mary....[noble death-bed speech]

