Reference for Kiddushin 43:2
ולקחת ליקוחין יש לך בה לך לאשה שלא יקח שתי נשים אחת לו ואחת לאביו אחת לו ואחת לבנו (דברים כא, יב) והבאתה מלמד שלא ילחצנה במלחמה:
over her;<span class="x" onmousemove="('comment',' Though she is a heathen, and does not voluntarily accept conversion. - Also, she can only be taken as a legal wife.');"><sup>4</sup></span> 'to thee to wife,' [teaching] that he must not take two women, one for himself and another for his father, or one for himself and another for his son: 'then thou shalt bring her home [to thine house].' teaching that he must not molest her on the [field of] battle.<span class="x" onmousemove="('comment',' Nevertheless one is able to bridle his desire in the knowledge that he will be able to satisfy it at home. Rashi. - War cannot be humanized, nor primitive passions subdued. Yet the Rabbis endeavoured to curb them as far as possible and minimize their evil effects: the captive was to be kindly treated, given the full legal status of a wife, and unmolested in actual battle, - possibly because in cool blood he would altogether recoil from his intentions.');"><sup>5</sup></span>