Was king edward a king in England in the 1700s?

No. The kings called Edward since 1066 were as follows:

Edward I (1272-1307)
Edward II (1307-1327) Deposed
Edward III (1327-1377)
Edward IV (1461-1470 and 1471-1483)
Edward V (1483) He was one of the "Princes in the Tower"
Edward VI (1547-1553)
Edward VII (1901-1910)
Edward VIII (1936) Abdicated and never crowned. Later became Duke of Windsor.

The monarchs of the 18th century were:

William III (1688-1702)
Anne (1702-1714)
George I (1714-1727)
George II (1727-1760)
George III (1760-1810)