Genesis 21:23

CKJV_Strongs(i)
  23 H7650 Now therefore swear H2008 to me here H430 by God H8266 that you will not deal falsely H5209 with me, nor with my son, H5220 nor with my son's son: H2617 but according to the kindness H6213 that I have done H6213 to you, you shall do H776 to me, and to the land H1481 where you have stayed.