She is widely known for being the model for the portrait Gabrielle d'Estrées et une de ses sœurs, in which she is seen sitting in a bathtub unclothed pinching her sister's nipple.

[3] Tallemant des Reaux, in the Historiettes, claims that Julienne bribed a priest at Saint Paul in order for her to marry George.

George de Brancas and Julienne d'Estrées had three children together, their first being a daughter named Marie.

The portrait portrays Julienne and Gabrielle both seated unclothed from the waistline and upwards in a bathtub lined with grey cloth.

The portrait portrays Julienne and Gabrielle situated in a bathtub lined with grey cloth, similar to that of the one they appeared in beforehand.