Reference for Shabbat 110:4

וכי בת נחש הואי והלא בת ישי הואי דכתיב (דברי הימים א ב, טז) ואחיותיהן צרויה ואביגיל אלא בת מי שמת בעטיו של נחש

Now, was she the daughter of Nahash? Surely she was the daughter of Jesse, for it is written, and their sisters were Zeruiah and Abigail?<span class="x" onmousemove="('comment',' I Chron. II, 16. 'Their sisters' refers to the sons of Jesse; v. preceding verse. ');">⁷</span> Hence it must mean, the daughter of one who died through the machinations of the nahash [serpent].<span class="x" onmousemove="('comment',' It may be observed that the Talmud calls this an explicit intimation. ');">⁸</span>

Jastrow