So. I pulled up the image of that passenger list It was definitely the Jacob of interest. Listed directly above him is Jan Witteveen, age 14. This is Jacob's half-brother from his mother's first marriage, to Jan Witteveen. (Jan the father died in October 1852, and Jan the son was born in February of 1853.) Next above on the passenger list are Wilhelm ", Jeannette " and above that Hendrik ". I believe them to be Willem, Jannitje and Hendrik Luchtenberg - the brother, sister and father of Lubbertje. Then is Lubbertje Luchtenberg and listed above her name, Brand Hop.
But - the real find of this story is this:
Since I was already browsing the list to find who was traveling with Jacob, I continued to scroll up the list. Next was a Timmer family. I know there are Timmers from the same village and who married Hops (although so far not proven to be related).
Next up the list -- my Morren family!! But that is a whole other story...