Growing up Leif and Dawn were very close, as you can see from the following pictures.  Today their lives take them in different directions, so I don't think they see each other very often.
Leif 2        Dawn 1
On the set of  "My Three Sons"
Leif teasing his sister and pretending to throw her in the pool.
Leif tickles Dawn in fun play.
Leif 13     Dawn 12
Leif 17         Dawn 16
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