קברו אתי אל אבתי אל המערה אשר בשדה עפרון... שמה קברו את אברהם ואת שרה אשתו שמה קברו את יצחק ואת רבקה אשתו ושמה קברתי את לאה
The Meoras HaMachpeilah (as explained by Rashi, Ibid 23:9) was called machpeilah, which means double. Chazal gave it this name either because it contained upper and lower chambers or due to the fact that zuggos, couples, that were buried there. It was the burial site of the Patriarchs and Matriarchs, couples united in life and death. Thus, Yaakov Avinu concluded his request to be buried there next to his “wife,” Leah. If Yaakov’s only reason for burial in the cave was to be buried next to his wife, he could have been buried next to Rachel Imeinu on the road…
