Conrad-Albert was born in Brussels to François, 2nd Count of Ursel.

[1] During his childhood, his father purchased the rank of captain for him.

In 1704, Conrad-Albert was appointed Grand Bailiff of Hainault.

[1] In 1713, Conrad-Albert married Eléonore, Princess of Salm, in Roermond; as a wedding gift, his cousin Charles-Hubert-Augustin Schetz, granted him the title Baron of Wesemael.

[1] After the death of Charles-Hubert-Augustin Schetz in 1726, he inherited the title Lord of Wesemael, becoming Hereditary Marshal of Brabant.