diff --git a/share/misc/bsd-family-tree b/share/misc/bsd-family-tree
index 47a41bd25985..4a12288e6a52 100644
--- a/share/misc/bsd-family-tree
+++ b/share/misc/bsd-family-tree
@@ -261,6 +261,10 @@ FreeBSD 5.2           |      |                 |                       |
  |  FreeBSD           |      |                 |                       |
  |    9.1             |      |                 |                       |
  |                    |      |                 |                       |
+ |                    |      |            OpenBSD 5.3                  |
+ |                    |      |                 |                       |
+ |                    |      |                 |                       |
+ |                    |      |                 |                       |
 FreeBSD 10 -current   |  NetBSD -current  OpenBSD -current             |
  |                    |      |                 |                       |
  v                    v      v                 v                       v
@@ -558,6 +562,7 @@ NetBSD 6.0		2012-10-17 [NBD]
 OpenBSD 5.2		2012-11-01 [OBD]
 DragonFly 3.2.1		2012-11-02 [DFB]
 FreeBSD 9.1		2012-12-30 [FBD]
+OpenBSD 5.3		2013-05-01 [OBD]
 
 Bibliography
 ------------------------