Am trying to find more info on my great great grandfather Fredrik Leonard Wolff, born around 1861 in Soerakarta(?), Central Java, Indonesia and married a local. Heard other info that his faher might be Albertus Wolff m. to Johanna Fredrika Ertzinger(?).Their residency was in Kepo, Sragen, Soerakarta. Appreciate any information about him and his ancestors. Thank you, look forward to receive your good news.