Relatives described Alexandrine as "similar to her cousin Alice: both were highly intelligent, authoritarian and inclined to appear plain.
[1] Alexandrine "studied medicine, later specializing in dietetics" and had an avid love of gardening.
On December 15, 1910, Alexandrine married her cousin Albert Max Goldschmidt, the couple later divorced.
After her father's death in 1934 Alexandrine inherited the Château Boulogne-Billancourt and maintained the property grounds.
In November 2021, Meules de blé[2] (1888), was sold at Christie's for $35 million after a three party restitution agreement involving the heirs of Max Meirowsky, Alexandrine de Rothschild, and representatives for Cox's estate.