If you have quoted Watt Seconds, you then need to know the efficiency in terms of the number of Lumens per Watt Second the unit produces. You can then calculate the Lumenseconds value to compare the units.
Your cousin considered 1/4 blood relation to you marries and the child is considered 1/8 blood relation to you. A sibling is full blood, niece/nephew is 1/2, cousin 1/4, cousins baby 1/8 and so on. If it is your first cousin's wife's baby then it is your first cousin once removed.
For example, first cousins are children of siblings-your uncle and aunt's children will be your first cousins. The children of first cousins are second cousins, and the children of second cousins are third cousins.