Byzantine Blackwood convention Byzantine Blackwood convention Byzantine Blackwood is a bidding in the game of bridge. Devised by Jack Marx, it is a complex version of the (by which a four notrump (4NT) asks about 's holdings). Its premise is that both aces and kings may safely be shown in response to a Blackwood-type 4NT enquiry; provided that such kings are in well-defined "key" or "half-key" suits, there being no more than two such suits. The name was chosen to express the idea that Byzantine Blackwood is a development from Roman Blackwood, by analogy with the Byzantine Empire and the Roman Empire; rather
Middle name are many common last names in Vietnam), and also distinguishing the gender of the names (unisex names are used widely in Vietnam). Hence, Vietnamese rarely abbreviate their middle names. For Filipinos, the middle name is usually the maternal surname, which is the maiden surname of a person's mother. The use of the maternal surname as middle name is from American influence, where Filipinos adopted English naming customs, when they once used Spanish naming customs, that used two surnames (paternal and maternal) joined with the particle "y" (or "e", before "i"), which remains in use but became restricted to very formal