In Lloyds register there are many Vlielands to be found.
Going to and from London,Rotterdam,Le Havre or Danzig.
All these ships and cargo had to be insured and that is why these list are very specific about the state of the ship,type and so on.
This entry is from 1801, so long before Jerome went to England.
click here for Lloyds
Also there is a clip of a book on the internet about a captain J.Vlieland which we will share with you.
This could be the Jan Vlielander of de Faam.
He is also known as Hollander it says.