Cross reference
1 Chronicles 6:26
26 Elkanah his son: Zophai his son, and Nahath his son,
1 Samuel 1:1
1 Now there was a certain man of Ramathaim, a Zuphite of the hill-country of Ephraim, named Elkanah; he was 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,