Yes Mike the fallen angels indeed did. God's angels at least in my opinion do not procreate as they are eternal beings. Mar 12:25 For when they shall rise from the dead, they neither marry, nor are given in marriage; but are as the angels which are in heaven.
But again, nobody can be dogmatic about these things as we are not told everything. God's Word doesn't tell us everything but does tell us all we need to know for now. We have everything we need pertaining to life and godliness