EXHIBIT 10.3

Amendment No. 1 to Offer Letter

This Amendment No. 1 dated April 22, 2011, to the Offer Letter dated July 22, 2010 (the “Offer Letter”), is made by and between Ancestry.com Inc. and Joshua Hanna.

The Offer Letter is amended by replacing in its entirety the text of the Offer Letter that reads:

(i) any person or entity other than a stockholder of the Company (or any parent corporation) as of the date of this offer letter becomes the beneficial owner, directly or indirectly, of securities of the Company (or any parent corporation) representing fifty percent (50%) or more of the total voting power of all of the Company’s (or any parent corporation’s) then outstanding voting securities,

With the following text:

(i) any person or entity other than Spectrum Equity Investors V L.P. (“Spectrum”) or persons or entities jointly filing Schedule 13G in respect of the Company’s voting securities as of the date of this offer letter becomes the beneficial owner, directly or indirectly, of securities of the Company (or any parent corporation) representing fifty percent (50%) or more of the total voting power of all of the Company’s (or any parent corporation’s) then outstanding voting securities,

Except as expressly provided for in this Amendment No. 1, this Amendment No. 1 will not modify, amend, supplement or waive any provision of the Offer Letter.

ANCESTRY.COM INC.
By		/s/ Timothy Sullivan
		Name: Timothy Sullivan
		Title: Chief Executive Officer
Accepted and agreed as of the date first above written.
/s/ Joshua Hanna
Name: Joshua Hanna