Bureau of Justice Statistics,,,,
Homicide trends in the United States,,,,
www.ojp.usdoj.gov/bjs/homicide,,,,
Date of release: January 17 2007,,,,
 ,,,,
"Sibling homicide by gender of victim and offender and offender age, 1976-2005",,,,

,Brother victim,,Sister victim,
Age of offender,Brother offender,Sister offender,Brother offender,Sister offender
6,2,2,7,2
7, , ,3, 
8,7, ,6,2
9,7,1,6, 
10,9,1,6,2
11,13,1,10,1
12,23,5,12,4
13,39,6,18,3
14,69,10,34,9
15,95,14,29,4
16,124,19,31,11
17,127,11,28,8
18,170,21,23,7
19,158,19,23,7
20,159,14,24,6
21,164,24,14,7
22,184,23,29,8
23,178,17,20,5
24,140,22,23,1
25,166,17,25,7
26,150,21,20,4
27,159,12,19,7
28,143,16,18,8
29,162,15,11,6
30,137,16,12,6
31,95,15,12,1
32,132,18,14,8
33,99,17,12,4
34,115,12,10,4
35,106,8,12,8
36,101,11,7,5
37,96,7,8,6
38,85,7,7,4
39,90,8,8,4
40,94,6,8,1
41,89,2,9,3
42,64,7,2,2
43,50,11,8,1
44,64,5,11,2
45,67,5,9,1
46,49,5,8,7
47,58,6,7,2
48,44,3,8,1
49,41,4,2,1
50,39,1,4,2
51,29, ,4,1
52,29, ,10,2
53,31,2,5, 
54,35,1,6,1
55,32, ,5,2
56,22,1,4,2
57,15,3,9,1
58,19,3,3, 
59,20, ,5,2
60,18,1,1,4
61,14,1,2,3
62,16,1,5,1
63,19,1,4,1
64,3,3,4,2
65,10,2,8, 
66,11,3,3,2
67,10, ,2,1
68,9, , ,1
69,8,1,4, 
70,4, ,4, 
71,2,1,2,1
72,8, ,5,1
73,8, ,1,1
74,1,2,1, 
75,4, ,1,1
76,4,1,2, 
77,2, ,2, 
78,1, ,3, 
79,1, ,2, 
80,1, ,1, 
81, , ,1, 
82,2, ,1, 
83, , ,3,1
84,,,,
85, , ,1,2
86,1, , , 
87, , ,1, 
88,1, ,1,1
89,,,,
90,,,,
91,,,,
92,,,,
93, , , ,1

Note:  Includes only the first victim in cases with more than one victim.,,,,