Donnchadh I mac Gilbert, 1st Earl of Carrick is your 19th great grandfather.
You
→ Rosalie Frances Duffy
your mother → Veronica Eugene Rosalie Duffy
her mother → Helen Ogilvie Trail Fairbridge
her mother → Rhys Seymour Fairbridge
her father → Francis Seymour Fairbridge
his father → Dr. James William Fairbridge
his father → Elizabeth Fairbridge
his mother → Colonel Thomas Traill of Holland
her father → George Traill of Westness
his father → Alexander Traill of Blebo
his father → Agnes Traill
his mother → Sir Alexander Bruce, 1st of Earlshall
her father → Sir Alexander Bruce of Airth and Stenhouse
his father → Sir Robert Bruce, Kt., of Airth
his father → Sir Edward Bruce of Stenhouse
his father → Robert Bruce, 2nd Baron of Clackmannan
his father → Thomas Bruce, 1st Baron Clackmannan
his father → Edward de Bruce, Earl of Carrick
his father → Marjorie, Countess of Carrick
his mother → Niall mac Dhonnchad, 2nd Earl of Carrick
her father → Donnchadh I mac Gilbert, 1st Earl of Carrick
his father