Just found this old email in folders and do not know why i didn't at least thank you or respond.Maybe because i do not know much about these relatives except for what my katz cousins mention re brazil/israel/belgium. I remember a girsham coming to the usa in the 1960's I do not know if he was my guncle or his son . I am told that there are no katz surnames at the brazilian kibbutz in israel where some of the family had gone but there could be women who married with unknown surnames now. I had an address for a nahum in sao paulo but no response from it or the rabbi there. Cousin says all the offspring are doctors in san andre-sao paulo. My gm was perel katz born in kovno poland/lith.I think nahum was her nephew son of girsham.Her youngest brother I just located grave in mass. benjamin (dov bear)d1918 sp.flu epid.I will look for old notes. thank you for jresponse.