Questions lead to more questions:
Is this Lena the daughter of Lena, and therefore, William's sister? Then is this Leo a younger brother?
And is this Lena the mother of Severa and Catherine (below)? The resemblance is notable.
Mystery: the photos are noted LAHR, therefore, one can assume that's the married name. So, did Lena LAHR marry a LAHR? Did she marry? How'd that go over?
I won't question their fashion sense—it's stunning!
"Seasons Greetings from Mr. & Mrs. John L. DOLL and son"