Berean Study Bible (BSB) - 1 Samuel 6:19 >

But God struck down some of the people of Beth-shemesh because they looked inside the ark of the LORD. He struck down seventy men, and the people mourned because the LORD had struck them with a great slaughter.

Jewish Publication Society of America Version (JPS1917) - 1 Samuel 6:19 >

And He smote of the men of Beth-shemesh, because they had gazed upon the ark of the LORD, even He smote of the people seventy men, and fifty thousand men; and the people mourned, because the LORD had smitten the people with a great slaughter.