3 verses have
whom
in Edition Clear Qur'an by Talal Itani / Al-Anbiyaa (The Prophets)

21:7We did not send before you except men, whom We inspired. Ask the people of knowledge, if you do not know.

21:9Then We fulfilled Our promise to them, and We saved them together with whomever We willed, and We destroyed the extravagant.

21:28He knows what is before them, and what is behind them; and they do not intercede except for him whom He approves; and they tremble in awe of Him.