The beginning of the collections of the Schwab Museum in Biel, the Laténium in Hauterive and the Swiss National Museum all came from Mörigen.
The couple had two daughters: Marie-Alexandrine-Henriette Dumas, born 20 November 1860, who married Maurice Lippmann and was the mother of Serge Napoléon Lippmann (1886–1975) and Auguste Alexandre Lippmann (1881–1960); and Jeanine Dumas (3 May 1867 – 1943), who married Ernest d' Hauterive (1864–1957), son of George Lecourt d' Hauterive and his wife Léontine de Leusse.
Hauterive Castle (Château d'Hauterive) is a castle located at Argentré, at department of Mayenne.