Maria Dorothea Praast did not travel to USA. She, his sister and his husband came to Chile in 1972. In Chile there are a city named Los Angeles like in USA founded in 1737 by the spanishes.
Maria Dorothea and Friedrich Julius Neumann had a daugther named Petronila and She married with Frederick Bishop. Petronila and Frederich had 8 childrens in Los Angeles, Chile.
Best regards and sorry for my english.
Arturo Neumann