ft five sons,
who were all made barons of the Austrian empire--AMSELM VON R.,
eldest, head of the house at Frankfort (1773-1855); SOLOMON VON R.,
the second, head of the Vienna house (1774-1855); NATHAN VON R., the
third, head of the London house (1777-1836); KARL VON R., the
fourth, head of the house at Naples (1755-1855); and JACOB VON R.,
the fifth, head of the Paris house (1792-1868).

ROTROU, JEAN DE, French poet, born at Dreux; was a contemporary of
Corneille and a rival, wrote a number of plays, almost all tragedies, on
romantic and classical subjects, some of which have kept the stage till
now (1609-1650).

ROTTERDAM (223), the chief port and second city of Holland, situated
at the junction of the Rotte with the Maas, 19 m. from the North Sea and
45 m. SW. of Amsterdam; the town is cut in many parts by handsome canals,
which communicate with the river and serve to facilitate the enormous
foreign commerce; the quaint old houses, the stately public buildings,
broad tree-lined streets, canals alive with fleets of trim barges,
combine to give the town a picturesque and animated appearance. Boymans'
Museum has a fine collection of Dutch and modern paintings, and the
Groote Kerk is a Gothic church of imposing appearance; there is also a
large zoological garden; shipbuilding, distilling, sugar-refining,
machine and tobacco factories are the chief industries.

ROTTI (60), a fertile hilly island in the Indian Archipelago, SW. of
Timor, a Dutch possession.

ROUBAIX (115), a busy town in the department of Nord, N. of France;
situated on a canal 6 m. NE. of Lille; is of modern growth; actively
engaged in the manufacture of all kinds of textiles, in brewing, &c.

ROUBILLIAC, LOUIS FRANCOIS, sculptor, born at Lyons; studied in
Paris, came to London; executed there statues of Shakespeare in the
British Museum, Sir Isaac Newton at Cambridge, and Haendel at London
(1693-1762).

ROUBLE, a silver coin of the value of 3s. 2d.; the unit of the
Russian monetary system; a much depreciated paper rouble is also in
circulation; the rouble is divided into 100 copecks.

ROUEN (112), the ancient capital of Normandy, a busy manufacturing
town on the Seine, 87 m. NW of Paris; a good portion of the old, crowded,
picturesque town has given place to more spacious streets and dwellings;
the old ramparts have been converted into handsome boulevards; has
several Gothic churches unrivalled in beauty, a cathedral (the seat of an