Exodus 11:5
BIB: בְּאֶ֣רֶץ מִצְרַיִם֒ מִבְּכ֤וֹר פַּרְעֹה֙ הַיֹּשֵׁ֣ב
NAS: shall die, from the firstborn of the Pharaoh
KJV: shall die, from the firstborn of Pharaoh
INT: the land of Egypt the firstborn of the Pharaoh sits

Exodus 12:29
BIB: בְּאֶ֣רֶץ מִצְרַיִם֒ מִבְּכֹ֤ר פַּרְעֹה֙ הַיֹּשֵׁ֣ב
NAS: of Egypt, from the firstborn of Pharaoh
KJV: of Egypt, from the firstborn of Pharaoh
INT: the land of Egypt the firstborn of Pharaoh sat

Exodus 13:15
BIB: בְּאֶ֣רֶץ מִצְרַ֔יִם מִבְּכֹ֥ר אָדָ֖ם וְעַד־
NAS: both the firstborn of man
KJV: of Egypt, both the firstborn of man,
INT: the land of Egypt the firstborn of man against

Numbers 3:46
BIB: עַל־ הַלְוִיִּ֔ם מִבְּכ֖וֹר בְּנֵ֥י יִשְׂרָאֵֽל׃
NAS: of the 273 of the firstborn of the sons
KJV: and threescore and thirteen of the firstborn of the children
INT: beyond the Levites of the firstborn of the sons of Israel