Unknown Author
1 Samuel 1:5ESV·author unknown

But to Hannah he gave a double portion, because he loved her, though the LORD had closed her womb.

Matthew Henry Presbyterian @wholebiblehenry

We have here an account of the state of the family into which Samuel the prophet was born. His father's name was Elkanah, a Levite, and of the family of the Kohathites (the most honourable house of that tribe) as appears, Ch1 6:33, Ch1 6:34. His ancestor Zuph was an Ephrathite, that is, of Bethlehem-Judah, which was called Ephrathah, Ruth, Rut 1:2.

Commenting on 1 Samuel 1:1-8

John Gill Reformed Baptist @doctorgill

But unto Hannah he gave a worthy portion,.... Or, one choice portion, as the Targum; the best part or portion in the peace offering, of what the priest had not; he had the breast and the right shoulder, the next best piece he gave to Hannah; and the word being of the dual number, some render it a double portion; others, "one part of two...

Geneva Bible Notes Reformed @genevanotes

But unto Hannah he gave a worthy portion; for he loved Hannah: but the LORD had shut up her womb. (c) Some read, a portion with a hearty cheer.