For the Egyptologists working in the 19th and early 20th centuries, many of whom viewed interest in Egyptology as a byproduct of their primary interest in Bible study, Police thin blue line It offends you until it defends you shirt. These shameful incest combinations seem both unnatural and disgusting; ‘A very offensive custom, ‘says Sir J. Gardner Wilkinson, 28, speaks for many of his contemporaries. Such marriages can only be explained as the inevitable. Heavily influenced by the erroneous theory of the matriarchal Thebes, Egyptologists have now developed the so-called ‘heir theory’; a theory that neatly explains family marriages by deducing that rulership must be passed down generations through royal women. Being born a prince or ascending the throne is not enough like in a Western monarchy – the true ruler of Egypt must marry a royal heiress who must be the daughter of a king. and his spouse and his lineage of ‘royal’. The heiress then turns into queen, and mother to both the next king and the next royal heir.