Ida Olympe Frederika Agassiz was born 9 August 1837 in Carlsruhe, Baden-Württemberg, Germany to Jean Louis Rodolphe Agassiz (1807-1873) and Cécile Emma Braun (1810-1848) and died 7 May 1935 Boston, Suffolk County, Massachusetts, United States of unspecified causes. She married Henry Lee Higginson (1834-1919) 5 December 1863 in Boston, Suffolk County, Massachusetts, United States.
|Offspring of Henry Lee Higginson and Ida Olympe Frederika Agassiz (1837-1935)|
|Cecile Pauline Higginson (1870-1875)|
|Alexander Henry Higginson (1876-1958)|