Princess Lida of Thurn and Taxis v. Thompson

This case presents the question whether the exercise of jurisdiction by a state court over the administration of a trust deprives a federal court of jurisdiction of a later suit involving the same subject matter.

December 6, 1906, Gerald P. Fitzgerald, a citizen of Ireland, and his wife Lida, entered into an agreement with each other and with Josiah V. Thompson, Charles E. Len-hart, and Fitzgerald, as trustees, which recited the marriage of the two first named, that they had three sons, and that, on December 5, 1906, Lida had obtained a decree of divorce in Ireland. The agreement provided for…