From the US Circuit Court in Boston (Vol. 1, pg 53):
i. BERNARD KRAMER, b. 11 Sept 1839 (from George Kramer family bible); not seen with family in ship manifest, or in census reports; may have died in England.
ii. GEORGE KRAMER, b. 20 Apr 1842 in (prob) Boston, MA (obit says Rochester, NY); d. 22 Sept 1925 in Colchester, CT
iii. ANN KRAMER, b. 11 May 1844 in MA; Marr FREDERICK C CRUMM.
iv. JOHN WASHINGTON KRAMER, b. 6 Apr 1846 in Charlestown, MA; d. 5 May 1939 in Colchester.
v. FREDERICK KRAMER, b. 3 June 1848 in Colchester, CT; d. 1852.
vi. MARY LOUISA KRAMER, b. 29 Mar 1850 in Colchester. Marr ABEL R BURNHAM.
vii. WILLIAM KRAMER, b. 18 Feb 1853 in Colchester; d. 4 Nov 1942 in Norwich, CT.
viii. FRANK KRAMER, b. 17 June 1855; d. 20 Nov 1875 in Colchester.
ix. HENRY KRAMER, b. 5 Sept 1857 in Colchester; d. 17 July 1895 in Colchester.
George would remarry, after 1863, to ELIZA FREESTONE, and they had (b. in Colchester):
x. CHARLES AUGUSTUS KRAMER, b. 2 July 1865
xi. ELIZABETH KRAMER, b. 28 Aug 1867
xii. PETER KRAMER, b. b. 28 Aug 1869
xiii. CATHERINE KRAMER, b. 11 Nov 1871
xiv. EDWARD KRAMER, b. 26 May 1874; d. 5 May 1875
xv. EDWARD KRAMER, b. 27 Aug 1876
Below is a christening record for a Bernhardt Kramer, born 22 Sept 1839, and baptized on the 29th, at St George's (German Lutheran) Church on Little Alie St in Whitechapel, London. His parents are listed as Johan Georg and Ana Maria Kramer. This certainly looks like them and their first born child, as seen in the family bible data, though date is 11 days off (there are several entries in the bible that are off - not sure if it was transcription error or original entry error).