William Van Orden was an early leader in the Latter Day Saint Movement

Latter Day Saint movement

The Latter Day Saint movement is a group of independent churches tracing their origin to a Christian primitivist movement founded by Joseph Smith, Jr. in the late 1820s. Collectively, these churches have over 14 million members...

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Biography

He was born in New York where he joined the church founded by Joseph Smith Jr.. He married Julia Ann Haight and later moved to Nauvoo, Illinois

Nauvoo, Illinois

Nauvoo is a small city in Hancock County, Illinois, United States. Although the population was just 1,063 at the 2000 census, and despite being difficult to reach due to its location in a remote corner of Illinois, Nauvoo attracts large numbers of visitors for its historic importance and its...

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He was a member of the Nauvoo Legion

Nauvoo Legion

The Nauvoo Legion was a militia originally organized by the Latter Day Saints to defend the city of Nauvoo, Illinois, . To curry political favor with the ambiguously-political Saints, the Illinois state legislature granted Nauvoo a liberal city charter that gave the Nauvoo Legion extraordinary...

 and was assigned to guard the bodies of Joseph and Hyrum Smith

Hyrum Smith

Hyrum Smith was an American religious leader in the Church of Jesus Christ of Latter Day Saints, the original church of the Latter Day Saint movement. He was the older brother of the movement's founder, Joseph Smith, Jr....

 after they were killed. After guarding the bodies in a rainstorm, William caught pneumonia

Pneumonia

Pneumonia is an inflammatory condition of the lung—especially affecting the microscopic air sacs —associated with fever, chest symptoms, and a lack of air space on a chest X-ray. Pneumonia is typically caused by an infection but there are a number of other causes...

and died.