Earl Ardglass is in Earl Ireland.
On 15th April 1645 Thomas Cromwell 1st Earl Ardglass [aged 50] was created 1st Earl Ardglass. Elizabeth Meverell Countess Ardglass by marriage Countess Ardglass.
In 1653 Thomas Cromwell 1st Earl Ardglass [aged 58] died. His succeeded son Wingfield Cromwell 2nd Earl Ardglass [aged 28] succeeded 2nd Earl Ardglass, 5th Baron Cromwell Oakham. Mary Russell Countess Ardglass [aged 19] by marriage Countess Ardglass.
On 3rd October 1668 Wingfield Cromwell 2nd Earl Ardglass [aged 44] died. His succeeded son Thomas Cromwell 3rd Earl Ardglass [aged 14] succeeded 3rd Earl Ardglass, 6th Baron Cromwell Oakham.
On 11th April 1682 Thomas Cromwell 3rd Earl Ardglass [aged 28] died. His succeeded uncle Vere Essex Cromwell 4th Earl Ardglass [aged 56] succeeded 4th Earl Ardglass, 7th Baron Cromwell Oakham.
On 26th November 1687 Vere Essex Cromwell 4th Earl Ardglass [aged 62] died. Earl Ardglass, Baron Cromwell Oakham extinct. His daughter Elizabeth Cromwell [aged 12] and her husband Edward Southwell [aged 16] inherited Throwley Hall, Staffordshire [Map].