Hello David, I'd like to wish you a Happy New Year. I'm sorry it's taken me so long to get back to you and yes there's alway room to add more THEWS. I kinda lost interest last year but now I getting fired up again.
I'm sending you a private e-mail. I've been in contact with a lady who has researched many Thews including the names you posted they are also from her line. She would be happy for you to make contact with her.