family tree down below.... ​

George H. W. Bush and George W. Bush:

George Herbert Walker Bush: ( 10th cousin 1x removed )
Born: 12 Jun 1924, Milton, Massachusetts
Died: Living
Son of Prescott Sheldon Bush and Dorothy Wear Walker ; 41st U.S. President from 20 Jan 1989 - 20 Jan 1993 ; Republican
Marriage: Barbara Pierce on 06 Jan 1945
Children: 
M   a. George Walker Bush b: 06 Jul 1946
F    b. Pauline Robinson Bush b: 20 Dec 1949 d: 11 Oct 1953
M   c. John Ellis Bush b: 11 Feb 1953
M   d. Neil Mallon Bush b: 22 Jan 1955
M   e. Marvin Pierce Bush b: 22 Oct 1956
​F    f. Dorothy Bush b: 18 Aug 1959

George Walker Bush: ( 10th cousin 2x removed )
Born: 06 Jul 1946, New Haven, Connecticut
Died: Living
Son of George Herbert Walker Bush and Barbara Pierce ; 43rd U.S. President from 20 Jan 2001 - 20 Jan 2009 ; Republican
Marriage: Laura Lane Welch on 05 Nov 1977
Children: 
F    a. Barbara Pierce Bush b: 25 Nov 1981
F    b. Jenna Welch Bush b: 25 Nov 1981

John Washbourne m: Martha Timbrell
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John Washburn m: Margery Moore
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John Washburn m: Elizabeth Mitchell
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Mary Washburn m: Samuel Kingsley
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Silence Kingsley m: Samuel Herrick
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Sarah Herrick m: Nathaniel Butler
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Samuel Herrick Butler m: Judith Livingston
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Cortland Philip Livingston Butler m: Elizabeth Slade Pierce
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Mary Elizabeth Butler m: Robert Emmet Sheldon
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Flora Sheldon m: Samuel Prescott Bush
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Prescott Sheldon Bush m: Dorothy Wear Walker
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George Herbert Walker Bush m: Barbara Pierce
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George Walker Bush 

William Washburn m: Jane Whitehead
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Hope Washburn m: Mary Stiles
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William Washbond m: Hannah Wooster
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Edward Washbond m: Mary Pringle
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Hope Washburn m: Tabitha Ward
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William Washburn m: Electa Bowker
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Horace August Washburn m: Caroline T. Swick
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Glenn Bertrude Washburn m: Bernice Hazel Leinaar
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Glenn Burton Washburn m: Frieda Vonale Henry
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Living Washburn m: Living Rutila
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​Myself