How To Join Last Record Of Table1 With Table2

HOW TO SELECT LAST ROW IN GROUP BY CLAUSE AND JOIN LAST ROW WITH ANOTHER TABLE IN ONE QUERY?

INPUT:
custidlivingstatusdate
1single2014-01-01 00:00:00.000
1married2014-01-02 00:00:00.000
1married_kids2014-01-03 00:00:00.000
2married_kids2014-01-04 00:00:00.000
2married2014-01-05 00:00:00.000
2single2014-01-06 00:00:00.000

Query 1 -- select last record
SELECT *
FROM
(SELECT ROW_NUMBER() OVER(PARTITION BY Custid ORDER BY Date DESC) AS Seq,*
FROM Living_Situation
)t
WHERE Seq=1

Output:
Seqcustidlivingstatusdate
11married_kids2014-01-03 00:00:00.000
12single2014-01-06 00:00:00.000

Table Customer:

custidsexesurname
1mjansen
2mpietersen

How to link Query 1 with table Customer in one query?:

Desired output in ONE query:

custidsexesurnamelivingstatus
1mjansen married_kids
2mpietersen single