Henry II, Count of Nassau-Dillenburg

Henry II, Count of Nassau-Dillenburg (7 July 1414 – 8 June 1451) was a son of Engelbert I and his wife Johanna van Polanen. In 1442, he succeeded his father as Count of Nassau-Dillenburg, jointly with his brother John IV.
In 1435, he married Countess Genoveva of Virneburg (d. 1437), the daughter of Count Rupert IV of Virneburg and Countess Agnes of Solms-Braunfels. After Genoveva's death, he married Irmgard of Schleiden-Junkerath, the daughter of Lord John III of Schleiden-Junkerath and Countess Joanna of Blankenheim.
Henry II died on 8 June 1451, during a journey to Rome.

From his first marriage, he had a daughter:

• Ottillie (1437-1495), married:

1. Count Philip II "the Younger" of Katzenelnbogen, son of Philipp I, Count of Katzenelnbogen
2. Count Oswald I of Tierstein (c. 1423 – before 1488). He was a governor in the Alsace, Sundgau and Breisgau and councillor in Lorraine and Cologne.