His son Sir Thomas Pakenham , grandfather of the first Baron , sat as Member of Parliament for Augher .
Henry Pakenham , great - grandfather of the first Baron , represented Navan in the Irish House of Commons .
Henry Pakenham 's son Sir Thomas Pakenham , grandfather of the first Baron , sat as Member of Parliament for Augher .
Henry Pakenham , great - grandfather of the first Baron , represented Navan in the Irish House of Commons .