R. Clawson [spoke]. Topics treated. ... Related an instance where a young man was barred the privilege and blessing of the house of the Lord because he was tainted with the blood of Cain—his mother was one-fourth negro. He could not bridge the gulf and get into the house of God.
[Source: Stan Larson (editor), A Ministry of Meetings: The Apostolic diaries of Rudger Clawson, Signature Books in association with Smith Research Associates, Salt Lake City, 1993, http://bit.ly/rudgerclawson]