Chances of owning two DSLD/ESPA horses?

Here's an older discussion from CotH involving those who have owned or knew someone who owned more than one DE Horse.  Horses listed in the discussion include Appy, TB, TWH, Arab, & Peruvian.

What to do about this defect???

DSLD-ESPA discussion of 22 y/o Arab broodmare with dropped fetlocks. Owner would like to ride this mare. Other horses with this condition are discussed and some owners provide photos. Click here for thread