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Thomas Gage, 1st Viscount Gage (father) and Benedicta Maria (mother, maiden name).
Thomas Gage Gage has written:
'The speech of the the [sic] Lord Viscount Gage, in Parliament, against the convention with Spain' -- subject(s): Relations, Treaty of Pardo
Viscount Hill was created in 1727.
Viscount Exmouth was created in 1816.
Viscount Bangor was created in 1781.