He's trying to raise money to get them to Spain for live-saving medical treatment.
Leinster House is the destination for man walking from Westmeath to Dublin today.
Jordan Morrissey - who set off from Athlone on Tuesday - is carrying with him a letter to give to TDs. He's attempting get help for his mother and sister who are suffering from a rare genetic disorder.
EDS affects the connective tissue meaning their spines are dangerously unstable and could easily snap - but there's no treatment for the condition in Ireland.
21 year old Jordan is trying to raise €100,000 so they can access life-saving surgery in Barcelona.
He says it's difficult to see his mam and sister in such pain:
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