Original: He studied piano first with his mother , and while the family was in Berlin between 1844 and 1846 , he studied piano with Theodor Kullak and harmony and counterpoint with Siegfried Dehn ; during this time both he and his brother Anton attracted the interest and support of Mendelssohn and Meyerbeer .
Simplified: When asked why he did not compose more he once replied that his brother '' composed enough music for three '' .