[2][3] Engelbert van Siclers was born in Ghent as the son of Jacques van Siclers, lawyer on the Council of Flanders and Anne Odevaere, whose father, Martin Odevaere, had also been a lawyer on the same council.
The Siclers were an old aristocratic family, which was of Lombard-Jewish ancestry and had played a prominent role in Ghent in the 14th to 16th century.
[4] Engelbert studied law and practised painting only as an amateur as he was independently wealthy.
[4] Engelbert van Siclers created mainly paintings and drawings of city views, especially from Ghent.
Four paintings by van Siclers, one signed and two monogrammed "S," are in the Ghent City Museum.