Born in Ath in Southern Netherlands (now in Belgium), he soon moved to the nearby town of Tournai to practice his trade.
His building style is quite contrary to his more famous contemporaries, like his neighbours Dulckens in Antwerp, the Hass family in Hamburg or the Taskins of Paris, that at the time created complex machines with an extensive variety of registers and knee levers.
Delin's original case decor seems to have been simple, but some of his instruments later received "makeovers".
[6] The 1738 spinet is elaborately painted with a forest scene on the inside of the lid, while the case is covered with a menagerie of monkeys playing musical instruments.
[7] The soundboard paintings in Delin's instruments are typical Flemish floral motifs, with visible outlines, flat coloring and little detail, a style similar to the Ruckers.