In 1597 Thomas Mansel 1st Baronet (age 41) was elected MP Glamorganshire.

In 1605 Thomas Mansel 1st Baronet (age 49) was elected MP Glamorganshire.

In 1625 John Stradling 1st Baronet (age 62) was elected MP Glamorganshire which seat he held until 1626.

In Mar 1679 Bussy Mansel (age 55) was elected MP Glamorganshire.

In Oct 1679 Bussy Mansel (age 55) was elected MP Glamorganshire.

In 1689, 1690, 1695 and 1698 Bussy Mansel (age 65) was elected MP Glamorganshire.

On 22 Feb 1716 Charles Kemeys 4th Baronet (age 27) was elected MP Glamorganshire.

In 1722 Charles Kemeys 4th Baronet (age 33) was elected MP Glamorganshire.

In 1727 Charles Kemeys 4th Baronet (age 38) was elected MP Glamorganshire.

In 1747 Charles Edwin (age 48) was elected MP Glamorganshire.

In 1754 Charles Edwin (age 55) was elected MP Glamorganshire.

In 1780 Charles Edwin Wyndham was elected MP Glamorganshire during the General Election.

In 1789 Thomas Wyndham (age 26) was elected MP Glamorganshire.

In 1857 Henry Vivian 1st Baron Swansea (age 35) was elected MP Glamorganshire which seat he held until 1885.