My line to Franklin D. Roosevelt:
(sharing the same 21st great granduncle, etc.)
 

Edward I (Longshanks), King of England, 1239-1307 = 21st great granduncle, etc.
married Eleanore (The Faithful) of Castile, abt 1244-1290
                    |
Elizabeth (Plantagenet) of England, 1282-1316 = 1st cousin 22 times removed, etc.
married Humphrey (De Bohun), 4th Earl of Hereford, 1342-1373
                    |
William Bohun, 1st Earl of Northampton, 1311-1360= 2nd cousin 21 times removed, etc.
married Elizabeth de Badlesmere,
                    |
Elizabeth de Bohun, ?-1385 = 3rd cousin 20 times removed, etc.
married Fitzalan, Richard, Earl of Arundel 11th
                    |
Elizabeth Fitzalan, ?-1425 = 4th cousin 19 times removed, etc.
married Sir Robert Gousell, Knight
                    |
Elizabeth Goushill = 5th cousin 18 times removed, etc.
married Robert Wingfield
                    |
Elisabeth Wingfield = 6th cousin 17 times removed, etc.
married William Brandon
                    |
Eleanor Brandon = 7th cousin 16 times removed, et.
married John Glemham
                    |
Anne Glemham = 8th cousin 15 times removed, etc.
marrried Henry Pagrave
                    |
Thomas Pagrave = 9th cousin 14 times removed, etc.
                    |
Rev. Edward Pagrave = 10th cousin 13 times removed, etc.
married to ?
                    |
Dr. Richard Palgrave = 11th cousin 12 times removed, etc.
married to Anna ?
                    |
Sarah Palgrave = 12th cousin 11 times removed, etc.
married John Douglas Alcock
                    |
Joanna Alcock = 13th cousin 10 times removed, et.
married Ephraim Hunt
                    |
Elizabeth Hunt = 14th cousin 9 times removed, etc.
married Lemuel Pope
                    |
Mercy Pope = 15th cousin 8 times removed, etc.
married Caleb Church
                    |
Joseph Church = 16th cousin 7 times removed, etc.
married Deborah Perry
                    |
Deborah Church = 17th cousin 6 times removed, etc.
married Warren Delano
                    |
Warren Delano = 18th cousin 5 times removed, etc.
married Catherine Robbins Lyman
                    |
Sara Delano = 19th cousin 4 times removed, etc.
married James Roosevelt
                    |
Franklin Delano Roosevelt = 20th cousin 3 times removed
married Eleanor (Anna) Roosevelt