In Estonia, the family names Roosimets, Rooswald and Rosenwald appear connected. Geni and web search results suggesting a possible link in the 1600s, 1700s and 1800s are numerous.
In the Netherlands Rosenwald family (descendants Friedrich August Rosenwald of Buende, Westfalen and his son Hermann August Rosenwald Hermann August Rosenwald ) anecdotal history suggest a connection with Estonia - niatbly, hair type of some family members.
possible historical connections of the Rosenwald family with Lithuania-Poland-Saxony in the 17th and 18th centuries can also be of interest