Hello,

Here you will find death certificates for:

Henry Jarchow - Geologist
B - 28 May 1857 Wisconsin
D - 13 April 1929 Kansas City, Missouri
Father name - John - born Denmark
Mother name - Annie ??

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Clayton Jarchow -
B - 24 March? 1889 - Wakefield? Michigan
D - 16 Jan 1927 - Kansas City, Missouri
Father name - Henry - born Wisconsin
Mother name - Annie McHughegen?? born Wisconsin
Informant - Mrs. Helena Jarchow

http://www.sos.mo.gov/archives/resources/deathcertificates/a...

P.S. Illinois Marriage Index list many Jarchow marriages.