Also Grandsons Victor(Born c.1897)&Bernard(Born c.1899). The above were living at 1 Arcacia Parade,Plumstead,London at the time of the 1901 census (31 Mar). Fred Senior is described as an inventor. He was living with wife Mary(or Maria), Son Frederick(Assistant to Inventor),Fred Junior's wife Kathleen and their two sons(Aged 4 & 1). I would be delighted to hear from any of their descendants - I have information for them.