孙 is a simplified Chinese hanzi, listed here under the keyword “grandchild”. It is built from 子 (offspring) and 小 (small). It appears as a component in 3 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “offspring” + “small”. 孙 is among the results, together with every other character containing the same shapes.
Open 孙 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.