The complainant, one Mabel Johnson, supposedly of the age of 15 years, states that on the 20th of June, 1930, she resided with her elder sister, Evelyn Ferguson, at premises 221 East 97th Street; that on that date, the defendant was a boarder in the Ferguson home; that some time prior to the 20th of June she (Mabel Johnson) first had intercourse with the defendant in these premises while the rest of the family were out; that on the night in question, June 20th, her little sister, Margie, who was in the premises, left to go to the store, and while she was out, the defendant again had intercourse with her (the complainign witness). ... The complainant is pregnant, and the doctor estimates that she had been pregnant some four months prior to July 1st.