Cross reference
1 Chronicles 6:26
26 As for Elkanah, the sons of Elkanah: Zophai his son, and Nahath his son,
1 Samuel 1:1
1 Now there was a certain man of Ramathaim-zophim, of the hill-country of Ephraim, and his name was Elkanah, the son of Jeroham, the son of Elihu, the son of Tohu, the son of Zuph, an Ephraimite:
1 Chronicles 6:35
35 the son of Zuph, the son of Elkanah, the son of Mahath, the son of Amasai,