children and grandchildren; descendants; posterity
Refers to one's direct descendants, typically children and grandchildren, but can extend to later generations. Often used in formal or literary contexts.
He spent a happy old age surrounded by his children and grandchildren.
This tradition will likely be passed down to future generations.
Compound of 孫 (grandchild) and 子 (child). The reading まごこ is a straightforward combination of the kun'yomi readings of each character.