the daughter ada florence birth was regd in bethnal green in 1866
think this could be possibly be alexander(though the birth qtr does not seeem to match the baptism entry wher the birth is given as 24/10/1868 could hve been a mistake by the person who entered it?)
name; george albert burden
y.o.r. 1868
qtr; jul/aug/sept
dist; bethnal green
vol; 1c
page; 262
you could order this birth cert with the stipulation that they only send it if the parents names match
yours
i think they make a small charge for this