[Huntress]

Marriages among first and second cousins have been common for decades in the community, where religious doctrine requires men to have at least three wives to gain eternal salvation.

I bet there are also a number of uncle/niece marriages.

[pandoraou812]

Read this..its heartbreaking.

[pandoraou812]

Its going on in the Kingston cult.

Rugg said there was another significant difference: Andrea was married in a secret wedding to her half brother Jason Kingston, and the polygamous clan's desire to keep the incestuous relationship quiet prevented her younger sister from receiving the prenatal care that might have saved her life.

http://www.xmission.com/~plporter/lds/kingston2.htm

A young girl's desperate attempt to flee a polygamous marriage to her uncle has put the Kingston clan where it doesn't want to be: in the public spotlight.One member of the organization operates Bail Bond Specialists - the firm that posted a $10,000 bond to release David 0. Kingston from jail after he was charged earlier this month with two counts of incest and one count of unlawful sexual conduct with his niece, all third-degree felonies. The girl was David 0. Kingston's 15th wife; her father, John Daniel Kingston and David 0. Kingston are brothers.

http://www.xmission.com/~plporter/lds/kingston.htm