Hi Joe
That first one looks very very close to one that I have, Vanda JVB x V Gulf of Siam 'Giant' (the JVB stands for Josephine Van Brero)...I'd have to say even if they aren't the same, there is definitely Vanda JVB in his parentage.
Here's a thread on mine:
http://www.orchidboard.com/community...iam-giant.html