24 THE KALLIKAK FAMILY 



girl. They had four children, but all died in infancy. 

 This wife was also the mother of an illegitimate son, who 

 was feeble-minded and sexually immoral. 



The third child of Millard was Justin (Chart IX, sec- 

 tion E), the grandfather of our Deborah. His family 

 we shall discuss later. 



According to Mendelian expectation, all of the chil- 

 dren of Millard Kallikak and Althea Haight should have 

 been feeble-minded, because the parents were such. 

 The facts, so far as known, confirm this expectation, with 

 the exception of the fourth child, a daughter, who was 

 taken into a good family and grew up apparently a 

 normal woman. She married a normal man and they 

 had one son who was normal. He married a normal 

 woman and they have two children, a boy and girl, 

 who are normal and above average intelligence. 



The fifth child was Albert, feeble-minded, who died 

 at twenty-five, unmarried. 



The sixth child was Warren, who had four children, 

 three of whom were feeble-minded and of very doubtful 

 morality. Each of the three had feeble-minded chil- 

 dren. One of these, Guss by name, was specially loose 

 and much mixed in his marital relations. 



The seventh child was Lavinia, who died unmarried 

 at the age of thirty-nine. She had been brought up 



