 His surviving instruments are in collections around the world and all date from the mid-18th century.Johan Lodewijk [Louis] Dulcken I (1733 – after 1793) was born in Maastricht and was the eldest son of Joannes Daniel Dulcken, from whom he learnt harpsichord building.He went on to establish himself in Amsterdam in 1755, and is later mentioned as an organ builder there.