who founded this above mentioned family?
John Jacob Astor
Astor family
John Jacob Astor (born Johann Jakob Astor) was the youngest of four sons born to Johann Jacob Astor (1724–1816) and Maria Magdalena vom Berg (1730–1764). 

who owns the waldorf astoria in new york Anbang Insurance Group what is it? It is a luxury hotel. when was it built? 1931 how many rooms does it have? It has a total of 1,413 hotel rooms as of 2014. who designed it? Schultze and Weaver does it have a railway track? Yes, Track 61. where did it get its name from? It is rived from the town of Walldorf in Germany, the ancestral home of the prominent German-American Astor family who originated there.
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Astor family [SEP] Founding family members
(1791–1869) and real estate businessman William Backhouse Astor Sr. (1792–1875). John Jacob's fur trading company established a Columbia River trading post at Fort Astoria in 1811, the first United States community on the Pacific coast. He financed the overland Astor Expedition in 1810–1812 to reach the outpost, which was in the then-disputed Oregon Country. Control of Fort Astoria played a key role in English and American territorial claims on the region.