Career
Maurycy was the 15th Lord of the Zamość estate and the biggest land owner in pre-World World War II Poland. He co-founded and chaired the Agricultural Society in 1903. During the First World War he was the vice-chairman of the National Committee in Warsaw and later vice-chairman of the National Committee in Paris.
From 1919–1924 ambassador in Paris.
From 19 January 1924 until 27 July 1924 Minister of Foreign Affairs.