apropo you are looking for any information about MALDAVSKI family in Argentine. One of my best friend was DAVID LEIN z"l
passed away before one year ( was 92 year old); lived in israel from 1980, born in Rosario city Argentina; His father was Maldavski ( but David used his mothers family name LEIN, from Besarabia area); I know they arrived to Argentina from EKATERINOSLAV area in Russia.
Had cousins (Maldavski)living in Israel; His only one son, and grand son are living now in the USA in Florida area Miami;Thats all; I hope its can be usefull for your inquire
shalom, GRISHA