This is what I have on the Robinson family:
1. Alexander Robinson, died 1863; of Ballymena; m. Margaretta
2. Edward Robinson , J.P. (1849-1906) went into business with John Cleaver in 1870; lived at Orrington House and Lismara; m. in 1877 to Marion Harvey Blair, dau of Edward A. Blair of Altoona, Windsor, Belfast.
3. Edward Arthur Robinson m. Mabel Cleaver, dau of John Cleaver and Mary Ann Spence, dau of George Spence of Rich Hill, Armagh.
4. Granddine (Sp.? Could this be Geraldine? M. A. Robinson, b. abt. 1903
4. Meg M. G. Robinson, b. abt. 1908
3. Major Harold Claude Robinson (1882-1944) M.P. for Larne
3. Stanley Gerald Robinson, b. abt. 1888
2. Hugh Robinson of Holywood, Down; died 1893; married to Mary ? who died in 1922.
2. Margaretta Robinson, died 1912
The following Robinsons are also most likely related to the above:
Hugh Moore Robinson of Lennoxvale, died 1932
Sara Robinson died 1933
William McCollum Robinson, died 1938
Violet Montgomery Robinson
There is one more Robinson who may, or may not, be related:
Anna Maria Robinson, eldest dau of Edward Robinson of Belfast, married
Charles Hartwell Mateer in 1876 at Ballymacarret Parish Church, son of Hugh Mateer of Randalstown.