the name de Silva was bestowed on the localS in Ceylon by the Portuguese when the local converted to Christianity, the Dutch also indulged in conversion. When the French conqured the maritime provincesduring the Napoleanic wars, when Ceylon was ceded by the Dutch,))) --some of these original Dutch colonial settlers were of Jewish origin who were originall Serphadic Jews from Portugal who fled to Holland during the Inquisition, the Jews that were forced to convert thereafter fled to Holland as well and took Dutch names and thereafter went as Colonials to Ceylon when the Dutch took over Ceylon from The Portuguese)))-- to The British, for their help with getting rid of Napolean from the low countries i.e. Holland. You will notice that there are many French family names such as Raymond in the geneology of the Dutch and Portuguese famils that originall swore alleigence to the Dutch, These French names like Raymond have family trees harking back to The Joux ? Valley, in the 12/13th century- that later became a part of Switzerland after Napolean was captured and many parts of France were taken as the spoils of war etc.