Cross Reference DEUTERONOMY 21:17 BUT HE SHALL ACKNOWLEDGE THE SON OF THE HATED FOR THE FIRSTBORN BY GIVING HIM A DOUBLE PORTION OF ALL THAT HE HATH FOR HE IS THE BEGINNING OF HIS STRENGTH THE RIGHT OF THE FIRSTBORN IS HIS

{Deuteronomy 21:17} But x3588 he shall acknowledge 5234 z8686 the son 1121 of the hated 8130 z8803 x853 [for] the firstborn, 1060 by giving 5414 z8800 him a double 8147 portion 6310 of all x3605 that x834 he hath: 4672 z8735 for x3588 he x1931 [is] the beginning 7225 of his strength; 202 the right 4941 of the firstborn 1062 [is] his.

by giving:
"And Abrahamª gaveª °¹ all¹ that¹ he had unto Isaac.ª ... But unto the sonsª of the concubines,ª which¹ Abrahamª had, Abrahamª gaveª ° gifts,ª and sent them awayª ° from¹ ¹ Isaacª his son,ª while he yet¹ lived,ª eastward,ª unto¹ the eastª country.ª" {Gen 25:5-6} + "And Esauª said,ª ° Behold,¹ I¹ [am] at the pointª ° to die:ª ° and what profit¹ shall this¹ birthrightª do to me?" {Gen 25:32} + "Then Jacobª gaveª ° Esauª breadª and pottageª of lentiles;ª and he did eatª ° and drink,ª ° and rose up,ª ° and went his way:² °¹ thus Esauª despisedª °¹ [his] birthright.ª" {Gen 25:34} + "Now the sonsª of Reubenª the firstbornª of Israel,ª (for¹ he¹ [was] the firstborn;ª but, forasmuch as he defiledª ° his father'sª bed,ª his birthrightª was givenª ° unto the sonsª of Josephª the sonª of Israel:ª and the genealogy is not to be reckonedª °¹ after the birthright.ª ... For¹ Judahª prevailedª ° above his brethren,ª and of¹ him [came] the chief ruler;ª but the birthrightª [was] Joseph's:)ª" {1Ch 5:1-2}

the beginning:
"Reuben,ª thou¹ [art] my firstborn,ª my might,ª and the beginningª of my strength,ª the excellencyª of dignity,ª and the excellencyª of power:ª" {Gen 49:3} + "He smoteª ° also all¹ the firstbornª in their land,ª the chiefª of all¹ their strength.ª" {Psa 105:36}

the right:
"And Jacobª said,ª ° Sellª ° me this dayª ¹ thy birthright.ª ... Then Jacobª gaveª ° Esauª breadª and pottageª of lentiles;ª and he did eatª ° and drink,ª ° and rose up,ª ° and went his way:² °¹ thus Esauª despisedª °¹ [his] birthright.ª" {Gen 25:31-34}