Looking for Derrell

I need help finding info of SEPTIMUS WALTER EDWARDS born in Wales England who maried CATHERINE DERRELL of New South Wales Australia in 1888. They had my Great Grandmother Charlotte Amelia Edwards b.1892 and d. 1949 who married Wlliam Frederick Drysdale b.1889 and d.1952,in 1910. They had my Grandmother Alice Amelia Drysdale. If anyone can help me with any info on SEPTIMUS EDWARDS AND cATHERINE DERRELL I would love to hear from you. thanks