1343: A massacre of jews in Wachenheim, Germany which had begu | This day in jew history

1343: A massacre of jews in Wachenheim, Germany which had begun before Easter spread to surrounding communities.
In the same year, an attempt was made to sell a Christian child born out of wedlock to the head of the jewish community in Brünn. A similar offer was made in 1699 to Meyer Goldschmidt, the jewish court jeweler to the king of Denmark.
It is not clear if the 2 events are connected, i was able to find only little information about this incident.
Source of the claim is this book.