No, I'm incorrect, the remnants of the 5th were simply added to the 7th Regiment.
This was due that, because only the 2nd and 3rd battalions of the 5th regiment were made into the Zeeuwsch Legioen in 1807, the 5th Regiment that existed was a single-battalion Regiment. That single battalion was destroyed during the siege and subsequent capture of Veere during the Walcheren Expedition, hence the remnants going to the 7th....