Hereditary Genius
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heiress. He married three times, and had only one son. However, the son was
prolific, and the direct male line continues.
Cowper, 1st Earl (1718). First wife was an heiress; he had no surviving issue by her.
His second wife had two sons and two daughters. His eldest son married a co-
heiress for his first wife, and had only one son and one daughter. The direct
male line continues.
Finch, 1st Earl of Nottingham (1681). Had fourteen children. The eldest married a
co-heiress for his first wife, and had only one daughter by her.
Harcourt, 1st Lord (1712). Had three sons and two daughters. Two of the sons died
young. The eldest married an heiress, whose mother was an heiress also. He
had by her two sons and one daughter. Both of the sons married, and both died
issueless, so the title became extinct.
Henley, 1st Earl of Northington (1764). His mother was a coheiress. He married,
and had one son and five daughters. The son died unmarried, and so the title
became extinct.
Hyde, 1st Earl Clarendon (1661). Married a lady who was eventually sole heiress,
and had four sons and two daughters by her. The third son died unmarried, and
the fourth was drowned at sea, consequently there remained only two available
sons to carry on the family. Of these, the eldest, who became the 2d Earl,
married a lady who died, leaving an only son. He then married for his second
wife, an heiress, who had no issue at all. This only son had but one male child,
who died in youth, and was succeeded in the title by the descendants of the 1st
Earl's second son. He (the son of an heiress) had only one son and four
daughters, and this son, who was 4th Earl of Clarendon, had only one son and
two daughters. The son died young, so the title became extinct.
Jeffreys, 1st Lord (of Wem1685). Had one son and two daughters. The son
married an heiress, and had only one daughter, so the title became extinct.
Kenyon, 1st Lord (1788). Had three sons. Although one of them married a co-
heiress, there were numerous descendants in the next generation.
North, 1st Lord Guilford (1683). Married a co-heiress. He had only one grandson,
who, however, lived and had children.
Parker, 1st Earl of Macclesfield (1721). This family has