Deuteronomy 21:17

But he shall acknowledge
<05234> (8686)

the son
<01121>

of the hated
<08130> (8803)

[for] the firstborn
<01060>_,

by giving
<05414> (8800)

him a double
<08147>

portion
<06310>

of all that he hath
<04672> (8735)_:

for he [is] the beginning
<07225>

of his strength
<0202>_;

the right
<04941>

of the firstborn
<01062>

[is] his. {that...: Heb. that is found with him}

Psalms 78:51

And smote
<05221> (8686)

all the firstborn
<01060>

in Egypt
<04714>_;

the chief
<07225>

of [their] strength
<0202>

in the tabernacles
<0168>

of Ham
<02526>_:

He smote
<05221> (8686)

also all the firstborn
<01060>

in their land
<0776>_,

the chief
<07225>

of all their strength
<0202>_.