I will give you one guess and while you are thinking about that, have a look at the rest of the place (by following the link below) for a taste of his amazing design...
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Of course, it's James Beaver sporting an African mask (who else would it be, this is his blog after all)!
And who are the adorable little girls in the background, you ask? Why those are Fiona and Sophie, the ladies of the house! Here they are: